avoid falin if /tmp/SSb is missing an putting /test.c in root...

Author: noisecode3

builds/wine-tkg/wine-tkg.SlackBuild

@@ -65,6 +65,7 @@ if [ "$ARCH" != "x86_64" ]; then
   exit 1
 fi
 
+mkdir -p "$TMP"
 WINETMP="$( mktemp -d "$TMP/wine-test-XXXXXX" )"
 echo "int main(void) {; return(0); }" > "$WINETMP/test.c"
 gcc -m32 "$WINETMP/test.c" -o /dev/null >/dev/null 2>&1 && WINE32TEST=${WINE32TEST:-yes}