Restore GRASS_TRANSLATION_DOMAIN to the default once we're done with it

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@40728 15284696-431f-4ddb-bdfa-cd5b030d7da7

general/g.parser/main.c

@@ -61,7 +61,9 @@ char *translate(const char *arg)
 #if defined(HAVE_LIBINTL_H) && defined(USE_NLS)
     if (!domain) {
 	domain = getenv("GRASS_TRANSLATION_DOMAIN");
-	if (!domain)
+	if (domain)
+	    G_putenv("GRASS_TRANSLATION_DOMAIN", "grassmods");
+	else
 	    domain = PACKAGE;
     }