-Fix: bashism that caused different CFLAGS with bash vs dash

git-svn-id: http://svn.openttd.org/trunk@27557 6aa0318a-3be1-0310-93fa-89fd2396df07

Author: rubidium

config.lib

@@ -1490,15 +1490,15 @@ make_cflags_and_ldflags() {
 	fi
 
 	if [ $enable_debug -le 2 ]; then
-		cc_host_is_gcc=`basename "$cc_host" | grep "gcc" &>/dev/null`
+		cc_host_is_gcc=`basename "$cc_host" | grep "gcc" 2>/dev/null`
 		if [ -n "$cc_host_is_gcc" ]; then
 			# Define only when compiling with GCC. Some GLIBC versions use GNU
 			# extensions in a way that breaks build with at least ICC.
 			# This requires -O1 or more, so debug level 3 (-O0) is excluded.
 			CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2"
 		fi
 
-		cc_build_is_gcc=`basename "$cc_build" | grep "gcc" &>/dev/null`
+		cc_build_is_gcc=`basename "$cc_build" | grep "gcc" 2>/dev/null`
 		if [ -n "$cc_build_is_gcc" ]; then
 			# Just add -O1 to the tools needed for building.
 			CFLAGS_BUILD="$CFLAGS_BUILD -D_FORTIFY_SOURCE=2 -O1"