use SimbaEngineSDK version for sf_getenv

lib/platform.c

@@ -268,12 +268,12 @@ int STDCALL sf_setenv(const char *name, const char *value) {
 
 char * STDCALL sf_getenv(const char *name) {
 #ifdef _WIN32
-    static char buf[BUFSIZ];
-    size_t len = 0;    // We don't use it, but Windows version doesn't like to pass NULL as lenght pointer. It crashes.
-    return getenv_s(&len, buf, sizeof(buf) - 1, name) ? NULL : buf;
-#else
-    return getenv(name);
-#endif
+    char* result = NULL;
+    return _dupenv_s(&result, NULL, name) ? NULL : result;
+#   else
+    char* result = getenv(name);
+    return result ? strdup(result) : NULL;
+#   endif
 }
 
 int STDCALL sf_unsetenv(const char *name) {