get rid of Pointer type, mostly

Applying: Convert remaning uses of Pointer to void *
Using index info to reconstruct a base tree...
M	contrib/amcheck/verify_gin.c
M	contrib/btree_gin/btree_gin.c
M	contrib/hstore/hstore_gin.c
M	contrib/intarray/_int_gin.c
M	contrib/pg_trgm/trgm_gin.c
M	src/backend/access/gin/ginarrayproc.c
M	src/backend/access/gin/ginentrypage.c
M	src/backend/access/gin/ginscan.c
M	src/backend/utils/adt/jsonb_gin.c
M	src/backend/utils/adt/selfuncs.c
M	src/backend/utils/adt/tsginidx.c
M	src/include/access/gin_private.h
M	src/include/access/ginblock.h
Falling back to patching base and 3-way merge...
Auto-merging src/include/access/ginblock.h
Auto-merging src/include/access/gin_private.h
Auto-merging src/backend/utils/adt/tsginidx.c
CONFLICT (content): Merge conflict in src/backend/utils/adt/tsginidx.c
Auto-merging src/backend/utils/adt/selfuncs.c
Auto-merging src/backend/utils/adt/jsonb_gin.c
CONFLICT (content): Merge conflict in src/backend/utils/adt/jsonb_gin.c
Auto-merging src/backend/access/gin/ginscan.c
Auto-merging src/backend/access/gin/ginentrypage.c
Auto-merging src/backend/access/gin/ginarrayproc.c
CONFLICT (content): Merge conflict in src/backend/access/gin/ginarrayproc.c
Auto-merging contrib/pg_trgm/trgm_gin.c
CONFLICT (content): Merge conflict in contrib/pg_trgm/trgm_gin.c
Auto-merging contrib/intarray/_int_gin.c
CONFLICT (content): Merge conflict in contrib/intarray/_int_gin.c
Auto-merging contrib/hstore/hstore_gin.c
CONFLICT (content): Merge conflict in contrib/hstore/hstore_gin.c
Auto-merging contrib/btree_gin/btree_gin.c
Auto-merging contrib/amcheck/verify_gin.c
Patch failed at 0001 Convert remaning uses of Pointer to void *

error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"