Fix MSVC

test/testpaint/FunctionCall.cpp

@@ -34,7 +34,7 @@ bool FunctionCall::AssertsEquals(std::vector<function_call> expected, std::vecto
         return false;
     }
 
-    for (int i = 0; i < expected.size(); i++) {
+    for (size_t i = 0; i < expected.size(); i++) {
         function_call expectedCall = expected[i];
         function_call actualCall = actual[i];
 

test/testpaint/String.cpp

@@ -14,6 +14,8 @@
  *****************************************************************************/
 #pragma endregion
 
+#include <cstdarg>
+
 #include "String.hpp"
 
 namespace String {