xf86-input-mouse: Return proper default for unknown values in pInfo->device_control.

Signed-off-by: Terry Lambert <tlambert@chromium.org>
Reviewed-by: Stephane Marchesin <marcheu@chromium.org>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

src/bsd_mouse.c

@@ -555,6 +555,9 @@ usbMouseProc(DeviceIntPtr pPointer, int what)
 	pPointer->public.on = FALSE;
 	usleep(300000);
 	break;
+
+    default:
+	return BadValue;
     }
     return Success;
 }

src/mouse.c

@@ -1691,6 +1691,9 @@ MouseProc(DeviceIntPtr device, int what)
 	free(pMse->mousePriv);
 	pMse->mousePriv = NULL;
 	break;
+
+    default:
+	return BadValue;
     }
     return Success;
 }