Re: heapam_index_build_range_scan's anyvisible

Sounds OK ... except that Travis points out that Ashwin forgot to patch contrib:

make[4]: Entering directory '/home/travis/build/postgresql-cfbot/postgresql/contrib/amcheck'
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Werror=vla -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -g -O2 -Wall -Werror -fPIC -I. -I. -I../../src/include -I/usr/include/x86_64-linux-gnu -D_GNU_SOURCE   -c -o verify_nbtree.o verify_nbtree.c
verify_nbtree.c: In function ‘bt_check_every_level’:
verify_nbtree.c:614:11: error: passing argument 6 of ‘table_index_build_scan’ from incompatible pointer type [-Werror=incompatible-pointer-types]
           bt_tuple_present_callback, (void *) state, scan);
           ^
In file included from verify_nbtree.c:29:0:
../../src/include/access/tableam.h:1499:1: note: expected ‘IndexBuildCallback {aka void (*)(struct RelationData *, struct ItemPointerData *, long unsigned int *, _Bool *, _Bool,  void *)}’ but argument is of type ‘void (*)(struct RelationData *, HeapTupleData *, Datum *, _Bool *, _Bool,  void *) {aka void (*)(struct RelationData *, struct HeapTupleData *, long unsigned int *, _Bool *, _Bool,  void *)}’
 table_index_build_scan(Relation table_rel,
 ^
cc1: all warnings being treated as errors
<builtin>: recipe for target 'verify_nbtree.o' failed
make[4]: *** [verify_nbtree.o] Error 1