Reformat and (slightly) decruft all the things.

logic/LegacyInstance.h

@@ -1,3 +1,18 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #pragma once
 
 #include "BaseInstance.h"
@@ -58,7 +73,8 @@ public:
 	virtual bool versionIsCustom() override
 	{
 		return false;
-	};
+	}
+	;
 
 	virtual bool shouldUpdate() const;
 	virtual void setShouldUpdate(bool val);