Add `switch (..) to style checker

libsolidity/analysis/ControlFlowBuilder.cpp

@@ -49,7 +49,7 @@ bool ControlFlowBuilder::visit(BinaryOperation const& _operation)
 {
 	solAssert(!!m_currentNode, "");
 
-	switch(_operation.getOperator())
+	switch (_operation.getOperator())
 	{
 		case Token::Or:
 		case Token::And:

libsolidity/analysis/ReferencesResolver.cpp

@@ -126,7 +126,7 @@ bool ReferencesResolver::visit(ElementaryTypeName const& _typeName)
 		{
 			// for non-address types this was already caught by the parser
 			solAssert(_typeName.annotation().type->category() == Type::Category::Address, "");
-			switch(*_typeName.stateMutability())
+			switch (*_typeName.stateMutability())
 			{
 				case StateMutability::Payable:
 					_typeName.annotation().type = TypeProvider::payableAddress();