Post merge fix for BUG 33728

include/Makefile.am:
  Include gcc_builtins.h header in the list.

include/Makefile.am

@@ -36,7 +36,7 @@ noinst_HEADERS =	config-win.h config-netware.h \
 			mysql_version.h.in my_handler.h my_time.h \
 			my_vle.h my_user.h my_atomic.h atomic/nolock.h \
 			atomic/rwlock.h atomic/x86-gcc.h atomic/x86-msvc.h \
-			my_libwrap.h
+			atomic/gcc_builtins.h my_libwrap.h
 
 # Remove built files and the symlinked directories
 CLEANFILES =            $(BUILT_SOURCES) readline openssl