Small patch for pgstat.c: fix comment + pgindent

diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index ce5da3e..5005fe5 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -2733,6 +2733,7 @@ pgstat_bestart(void)
 	beentry->st_activity[pgstat_track_activity_query_size - 1] = '\0';
 	beentry->st_progress_command = PROGRESS_COMMAND_INVALID;
 	beentry->st_progress_command_target = InvalidOid;
+
 	/*
 	 * we don't zero st_progress_param here to save cycles; nobody should
 	 * examine it until st_progress_command has been set to something other
@@ -2904,7 +2905,7 @@ pgstat_progress_update_param(int index, int64 val)
 /*-----------
  * pgstat_progress_end_command() -
  *
- * Update index'th member in st_progress_param[] of own backend entry.
+ * Clear command progress indicator of own backend entry.
  *-----------
  */
 void