ui/cocoa: Fix the type of main's argv

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20210708165619.29299-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

ui/cocoa.m

@@ -1888,12 +1888,12 @@ static void *call_qemu_main(void *opaque)
     exit(status);
 }
 
-int main (int argc, const char * argv[]) {
+int main (int argc, char **argv) {
     QemuThread thread;
 
     COCOA_DEBUG("Entered main()\n");
     gArgc = argc;
-    gArgv = (char **)argv;
+    gArgv = argv;
 
     qemu_sem_init(&display_init_sem, 0);
     qemu_sem_init(&app_started_sem, 0);