Merge pull request #67 from FranklinYu/fix/deprecate

Replace symbol deprecated since macOS 10.12

appbundler/native/main.m

@@ -111,7 +111,7 @@ int main(int argc, char *argv[]) {
         result = 0;
     } @catch (NSException *exception) {
         NSAlert *alert = [[NSAlert alloc] init];
-        [alert setAlertStyle:NSCriticalAlertStyle];
+        [alert setAlertStyle:NSAlertStyleCritical];
         [alert setMessageText:[exception reason]];
         [alert runModal];