typo

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@41831 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/vector/diglib/test.c

@@ -56,7 +56,7 @@ int main()
     port_off_t = sizeof(off_t);
 
     if (NULL == (fp.file = fopen("test.tmp", "wb+"))) {
-	G_fatal_error(_("Unable tp open test.tmp file"));
+	G_fatal_error(_("Unable to open test.tmp file"));
     }
     fp.loaded = 0;