Kill conf_get_int(), it was a silly function anyway.

Since it's only used once just put the (simplified) logic into
conf_client() instead. This  means we can kill an enum and
CONF_IGNORECASE, too.

ok okan@

parse.y

@@ -152,7 +152,6 @@ main		: FONTNAME STRING		{
 
 			XCALLOC(wm, struct winmatch);
 			strlcpy(wm->title, $2, sizeof(wm->title));
-			wm->opts |= CONF_IGNORECASE;
 			TAILQ_INSERT_TAIL(&conf->ignoreq, wm, entry);
 
 			free($2);