configure.in: remove -Werror

Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>

Author: Kent Yoder

configure.in

@@ -138,7 +138,7 @@ AC_TYPE_SIZE_T
 AC_TYPE_SIGNAL
 AC_TYPE_UID_T
 
-CFLAGS="$CFLAGS -Wall -Werror -Wreturn-type -Wsign-compare"
+CFLAGS="$CFLAGS -Wall -Wreturn-type -Wsign-compare"
 
 AC_CONFIG_FILES(./Makefile		\
 		po/Makefile.in		\