C++ string formatting is leaking memory

[sylveon]

ReswPlus/src/VSExtension/ReswPlus.Core/CodeGenerators/CppCXCodeGenerator.cs

Line 257 in f44b81c

builderCpp.AppendLine($"wchar_t *buffer = new wchar_t[needed + 1];");

ReswPlus/src/VSExtension/ReswPlus.Core/CodeGenerators/CppWinRTCodeGenerator.cs

Line 274 in f44b81c

builderCpp.AppendLine($"wchar_t *buffer = new wchar_t[needed + 1];");

These two buffers are allocated, but never freed, leading to a memory leak