Cleanup double semicolons at the end of source lines

diff --git a/contrib/postgres_fdw/deparse.c b/contrib/postgres_fdw/deparse.c
index 59cb053..94fab18 100644
--- a/contrib/postgres_fdw/deparse.c
+++ b/contrib/postgres_fdw/deparse.c
@@ -317,7 +317,7 @@ foreign_expr_walker(Node *node,
 			break;
 		case T_ArrayRef:
 			{
-				ArrayRef   *ar = (ArrayRef *) node;;
+				ArrayRef   *ar = (ArrayRef *) node;
 
 				/* Assignment should not be in restrictions. */
 				if (ar->refassgnexpr != NULL)
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 3aa9e42..88ec83c 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -14308,7 +14308,7 @@ makeRangeVarFromAnyName(List *names, int position, core_yyscan_t yyscanner)
 			r->relname = strVal(lsecond(names));
 			break;
 		case 3:
-			r->catalogname = strVal(linitial(names));;
+			r->catalogname = strVal(linitial(names));
 			r->schemaname = strVal(lsecond(names));
 			r->relname = strVal(lthird(names));
 			break;
diff --git a/src/backend/replication/repl_gram.y b/src/backend/replication/repl_gram.y
index 2a41eb1..7d6d154 100644
--- a/src/backend/replication/repl_gram.y
+++ b/src/backend/replication/repl_gram.y
@@ -226,7 +226,7 @@ start_logical_replication:
 				{
 					StartReplicationCmd *cmd;
 					cmd = makeNode(StartReplicationCmd);
-					cmd->kind = REPLICATION_KIND_LOGICAL;;
+					cmd->kind = REPLICATION_KIND_LOGICAL;
 					cmd->slotname = $3;
 					cmd->startpoint = $5;
 					cmd->options = $6;
diff --git a/src/backend/utils/adt/json.c b/src/backend/utils/adt/json.c
index d0d7206..f08e288 100644
--- a/src/backend/utils/adt/json.c
+++ b/src/backend/utils/adt/json.c
@@ -165,7 +165,7 @@ static inline void
 lex_expect(JsonParseContext ctx, JsonLexContext *lex, JsonTokenType token)
 {
 	if (!lex_accept(lex, token, NULL))
-		report_parse_error(ctx, lex);;
+		report_parse_error(ctx, lex);
 }
 
 /* chars to consider as part of an alphanumeric token */
diff --git a/src/backend/utils/adt/jsonb.c b/src/backend/utils/adt/jsonb.c
index 5833401..7e2c359 100644
--- a/src/backend/utils/adt/jsonb.c
+++ b/src/backend/utils/adt/jsonb.c
@@ -1592,7 +1592,7 @@ jsonb_agg_transfn(PG_FUNCTION_ARGS)
 				if (v.type == jbvString)
 				{
 					/* copy string values in the aggregate context */
-					char	   *buf = palloc(v.val.string.len + 1);;
+					char	   *buf = palloc(v.val.string.len + 1);
 					snprintf(buf, v.val.string.len + 1, "%s", v.val.string.val);
 					v.val.string.val = buf;
 				}
@@ -1753,7 +1753,7 @@ jsonb_object_agg_transfn(PG_FUNCTION_ARGS)
 				if (v.type == jbvString)
 				{
 					/* copy string values in the aggregate context */
-					char	   *buf = palloc(v.val.string.len + 1);;
+					char	   *buf = palloc(v.val.string.len + 1);
 					snprintf(buf, v.val.string.len + 1, "%s", v.val.string.val);
 					v.val.string.val = buf;
 				}
@@ -1811,7 +1811,7 @@ jsonb_object_agg_transfn(PG_FUNCTION_ARGS)
 				if (v.type == jbvString)
 				{
 					/* copy string values in the aggregate context */
-					char	   *buf = palloc(v.val.string.len + 1);;
+					char	   *buf = palloc(v.val.string.len + 1);
 					snprintf(buf, v.val.string.len + 1, "%s", v.val.string.val);
 					v.val.string.val = buf;
 				}
diff --git a/src/backend/utils/adt/jsonfuncs.c b/src/backend/utils/adt/jsonfuncs.c
index a8cdeaa..274f64c 100644
--- a/src/backend/utils/adt/jsonfuncs.c
+++ b/src/backend/utils/adt/jsonfuncs.c
@@ -2675,7 +2675,7 @@ populate_recordset_worker(FunctionCallInfo fcinfo, const char *funcname,
 
 	/* make these in a sufficiently long-lived memory context */
 	old_cxt = MemoryContextSwitchTo(rsi->econtext->ecxt_per_query_memory);
-	state->ret_tdesc = CreateTupleDescCopy(tupdesc);;
+	state->ret_tdesc = CreateTupleDescCopy(tupdesc);
 	BlessTupleDesc(state->ret_tdesc);
 	state->tuple_store = tuplestore_begin_heap(rsi->allowedModes &
 											   SFRM_Materialize_Random,
diff --git a/src/backend/utils/adt/oracle_compat.c b/src/backend/utils/adt/oracle_compat.c
index 723be9a..8e896eb 100644
--- a/src/backend/utils/adt/oracle_compat.c
+++ b/src/backend/utils/adt/oracle_compat.c
@@ -959,7 +959,7 @@ chr			(PG_FUNCTION_ARGS)
 		if (bytes == 2)
 		{
 			wch[0] = 0xC0 | ((cvalue >> 6) & 0x1F);
-			wch[1] = 0x80 | (cvalue & 0x3F);;
+			wch[1] = 0x80 | (cvalue & 0x3F);
 		}
 		else if (bytes == 3)
 		{