move some label stuff to labels.php

move getfeedcategory() to Feeds

classes/feeds.php

@@ -2184,5 +2184,18 @@ class Feeds extends Handler_Protected {
 		return $rv;
 	}
 
+	static function getFeedCategory($feed) {
+		$result = db_query("SELECT cat_id FROM ttrss_feeds
+				WHERE id = '$feed'");
+
+		if (db_num_rows($result) > 0) {
+			return db_fetch_result($result, 0, "cat_id");
+		} else {
+			return false;
+		}
+
+	}
+
+
 }