Only call _set_abort_behavior with the ucrt.

glib/gtestutils.c

@@ -37,8 +37,6 @@
 #ifdef G_OS_WIN32
 #include <io.h>
 #include <windows.h>
-#endif
-#ifdef G_PLATFORM_WIN32
 #include <crtdbg.h>
 #endif
 #include <errno.h>
@@ -1600,7 +1598,7 @@ void
   mutable_test_config_vars.test_undefined = FALSE;
 #endif
 
-#ifdef G_PLATFORM_WIN32
+#ifdef G_OS_WIN32
   // don't open a window for errors (like the "abort() was called one")
   _CrtSetReportMode (_CRT_ERROR, _CRTDBG_MODE_FILE);
   _CrtSetReportFile (_CRT_ERROR, _CRTDBG_FILE_STDERR);
@@ -1610,10 +1608,14 @@ void
   _CrtSetReportMode (_CRT_ASSERT, _CRTDBG_MODE_FILE);
   _CrtSetReportFile (_CRT_ASSERT, _CRTDBG_FILE_STDERR);
   // in release mode abort() will pop up a windows error
-  // reporting dialog, let's prevent that.
+  // reporting dialog, let's prevent that. Only msvcrxx and
+  // the UCRT have this function, but there's no great way to
+  // detect msvcrxx (that I know of) so only call this when using
+  // the UCRT
+#ifdef _UCRT
   _set_abort_behavior (0, _CALL_REPORTFAULT);
 #endif
-
+#endif
 
   va_start (args, argv);
   while ((option = va_arg (args, char *)))