Fix function name.

configure

configure.in

doc/src/sgml/release.sgml

src/interfaces/libpq/Makefile

src/interfaces/libpq/fe-connect.c

src/interfaces/libpq/fe-exec.c

src/interfaces/libpq/fe-misc.c

src/interfaces/libpq/fe-print.c

src/interfaces/libpq/fe-secure.c

src/interfaces/libpq/libpq-int.h

src/interfaces/libpq/pthread-win32.c

src/tools/thread/README

src/tools/thread/thread_test.c