Bugfix: Use parameter (not argument) type size on stack for function calls.

libsolidity/ExpressionCompiler.cpp

@@ -217,7 +217,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 
 			unsigned returnParametersSize = CompilerUtils::getSizeOnStack(function.getReturnParameterTypes());
 			// callee adds return parameters, but removes arguments and return label
-			m_context.adjustStackOffset(returnParametersSize - CompilerUtils::getSizeOnStack(arguments) - 1);
+			m_context.adjustStackOffset(returnParametersSize - CompilerUtils::getSizeOnStack(function.getParameterTypes()) - 1);
 
 			// @todo for now, the return value of a function is its first return value, so remove
 			// all others