Don't require --force when using the --nobuild option

makepkg should not abort with error when a user uses the --nobuild option to
extract sources if a package has already been built.

Signed-off-by: Anton Fiuman <llexiw@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>

scripts/makepkg.sh.in

@@ -1356,7 +1356,7 @@ devel_check
 devel_update
 
 if [ -f "$PKGDEST/${pkgname}-${pkgver}-${pkgrel}-${CARCH}${PKGEXT}" \
-     -a "$FORCE" = "0" -a "$GENINTEG" = "0" -a "$SOURCEONLY" = "0" ]; then
+     -a "$FORCE" = "0" -a "$GENINTEG" = "0" -a "$SOURCEONLY" = "0" -a "$NOBUILD" = "0" ]; then
 	if [ "$INSTALL" = "1" ]; then
 		warning "$(gettext "A package has already been built, installing existing package...")"
 		install_package