Removing unneeded local variable in CompilerStack::getDocumentation()

libsolidity/CompilerStack.cpp

@@ -136,8 +136,7 @@ string const& CompilerStack::getDocumentation()
 		Json::Value doc;
 		Json::Value methods(Json::objectValue);
 
-		vector<FunctionDefinition const*> exportedFunctions = m_contractASTNode->getInterfaceFunctions();
-		for (FunctionDefinition const* f: exportedFunctions)
+		for (FunctionDefinition const* f: m_contractASTNode->getInterfaceFunctions())
 		{
 			Json::Value user;
 			auto strPtr = f->getDocumentation();