Fix Windows build

Author: Ravbug

source/activation.cpp

@@ -59,7 +59,7 @@ void DisplayLicenseOutput(){
 #ifdef __APPLE__
     = std::filesystem::path(wxGetHomeDir()) / "Library/Logs/Unity/Editor.log";
 #elif defined _WIN32
-    = std::filesystem::path(wxGetHomeDir()) / "AppData"/"Local"/"Unity"/"Editor"/"Editor.log";
+    = std::filesystem::path(wxGetHomeDir().ToStdString()) / "AppData"/"Local"/"Unity"/"Editor"/"Editor.log";
 #else
     = std::filesystem::path(wxGetHomeDir()) / ".config/unity3d/Editor.log";
 #endif

source/interface_derived.cpp

@@ -199,7 +199,7 @@ void MainFrameDerived::OnAddProject(wxCommandEvent& event){
 
     wxDirDialog dlg(NULL, msg, "", wxDD_DEFAULT_STYLE | wxDD_DIR_MUST_EXIST | wxDD_MULTIPLE);
     if (dlg.ShowModal() == wxID_CANCEL) {
-        return string("");
+        return;
     }
     //get the path and return the standard string version
     wxArrayString paths;