[Android] Fix possible leak of fileCursor

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/model/GameDatabase.java

@@ -251,7 +251,7 @@ public final class GameDatabase extends SQLiteOpenHelper
 			}
 		}
 
-
+		fileCursor.close();
 		folderCursor.close();
 		database.close();
 	}