gowin: test locale workaround

Signed-off-by: YRabbit <rabbit@yrabbit.cyou>

gowin/main.cc

@@ -95,7 +95,11 @@ int main(int argc, char *argv[])
     // floating point strings whose representation depends on the locale. If
     // you don't do this, the strings will be in the C locale and later when Qt
     // starts it won't be able to read them back as numbers.
+    try {
         std::locale::global(std::locale(""));
+    } catch (const std::runtime_error &e) {
+        // the locale is broken in this system, so leave it as it is
+    }
     GowinCommandHandler handler(argc, argv);
     return handler.exec();
 }