Changed where to check for GCC

git-svn-id: https://forth-ev.de/repos/bigforth@2493 3b8d8251-53f3-0310-8f3b-fd1cb8370982

configure.in

@@ -2,7 +2,6 @@ dln this is a really minimal autoconf file
 
 AC_INIT([bigforth],[2.5.0],[http://sourceforge.net/tracker/?atid=101028&group_id=1028&func=browse])
 AC_CANONICAL_HOST
-AC_PROG_CC
 AC_PATH_PROG(BASH, bash)
 
 WINDOWS=""
@@ -38,6 +37,8 @@ case "$host_os" in
 		;;
 esac
 
+AC_PROG_CC
+
 case "$host_cpu" in
 	*x86_64*)
 		ARCHFLAGS="-m32"