Add non MSC info into debug info

PowerEditor/src/WinControls/AboutDlg/AboutDlg.cpp

@@ -155,6 +155,14 @@ INT_PTR CALLBACK DebugInfoDlg::run_dlgProc(UINT message, WPARAM wParam, LPARAM /
 			_debugInfoStr += buildTime;
 			_debugInfoStr += TEXT("\r\n");
 
+#if defined(__GNUC__)
+			_debugInfoStr += TEXT("Built with : GCC ");
+			_debugInfoStr += wmc.char2wchar(__VERSION__, CP_ACP);
+			_debugInfoStr += TEXT("\r\n");
+#elif !defined(_MSC_VER)
+			_debugInfoStr += TEXT("Built with : (unknown)\r\n");
+#endif
+
 			// Binary path
 			_debugInfoStr += TEXT("Path : ");
 			TCHAR nppFullPath[MAX_PATH];