gpu: ion: Fix bug where MAP ioctl was no longer supported

Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/ion/ion.c

@@ -1086,6 +1086,7 @@ static long ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		break;
 	}
 	case ION_IOC_SHARE:
+	case ION_IOC_MAP:
 	{
 		struct ion_fd_data data;