[Ion] Prevent crash if locale is null (#365)

* fix a compilation issue

* revert file

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Co-authored-by: Leviathan3DPrinting <leviathan3dprinting@gmail.com>

ion/src/simulator/linux/platform_language.cpp

@@ -8,7 +8,7 @@ namespace Platform {
 const char * languageCode() {
   static char buffer[3] = {0};
   char * locale = setlocale(LC_ALL, "");
-  if (locale[2] == '_') {
+  if (locale && locale[2] == '_') { // Check if locale is not null before accessing its elements
     buffer[0] = locale[0];
     buffer[1] = locale[1];
     return buffer;