d.font: don't use uppercase keys (https://trac.osgeo.org/grass/ticket/2409)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@62912 15284696-431f-4ddb-bdfa-cd5b030d7da7

display/d.font/main.c

@@ -74,7 +74,7 @@ int main(int argc, char **argv)
     flag1->description = _("List fonts");
 
     flag2 = G_define_flag();
-    flag2->key = 'L';
+    flag2->key = 'v';
     flag2->description = _("List fonts verbosely");
 
     if (G_parser(argc, argv))