Update LoggerWrapperCache.php

Extra Dollar Sign caused errors in Nextcloud. Removing the Dollar Sign Solved the Problem.

Signed-off-by: Velwark <[email protected]>

lib/private/Memcache/LoggerWrapperCache.php

@@ -75,7 +75,7 @@ public function set($key, $value, $ttl = 0) {
 			FILE_APPEND
 		);
 
-		return $this->wrappedCache->set($key, $value, $$ttl);
+		return $this->wrappedCache->set($key, $value, $ttl);
 	}
 
 	/** @inheritDoc */