Fix [missing] variables in @param docs

Two places found without variable, one without $ and one only missed a
space before $

Change-Id: Iacd7c386d57223f3a112b59cd11383ef5c0ac2f1

includes/Title.php

@@ -4916,7 +4916,7 @@ class Title {
 	 * they will already be wrapped in paragraphs.
 	 *
 	 * @since 1.21
-	 * @param int oldid Revision ID that's being edited
+	 * @param int $oldid Revision ID that's being edited
 	 * @return Array
 	 */
 	public function getEditNotices( $oldid = 0 ) {

includes/media/GIF.php

@@ -78,7 +78,7 @@ class GIFHandler extends BitmapHandler {
 	/**
 	 * @todo Add unit tests
 	 *
-	 * @param File$image
+	 * @param File $image
 	 * @return bool
 	 */
 	function getImageArea( $image ) {

includes/poolcounter/PoolCounterRedis.php

@@ -267,7 +267,7 @@ LUA;
 
 	/**
 	 * @param RedisConnRef $conn
-	 * @param float UNIX timestamp
+	 * @param float $now UNIX timestamp
 	 * @return string|bool False on failure
 	 */
 	protected function initAndPopPoolSlotList( RedisConnRef $conn, $now ) {

includes/site/SiteSQLStore.php

@@ -193,7 +193,7 @@ class SiteSQLStore implements SiteStore {
 	 *
 	 * @since 1.22
 	 *
-	 * @param Site
+	 * @param Site $site
 	 *
 	 * @return ORMRow
 	 */