staging: rtl8712: braces should be used on all arms

Fix all instances of the following checkpatch.pl check:
CHECK: braces {} should be used on all arms of this statement

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/rtl8712/usb_ops_linux.c b/drivers/staging/rtl8712/usb_ops_linux.c
index e33eeed..f35b3b6 100644
--- a/drivers/staging/rtl8712/usb_ops_linux.c
+++ b/drivers/staging/rtl8712/usb_ops_linux.c
@@ -144,8 +144,9 @@
 			pipe = usb_sndbulkpipe(pusbd, 0x0d);
 			break;
 		}
-	} else
+	} else {
 	   pipe = 0;
+	}
 	return pipe;
 }
 
@@ -306,8 +307,9 @@
 		err = usb_submit_urb(purb, GFP_ATOMIC);
 		if ((err) && (err != (-EPERM)))
 			ret = _FAIL;
-	} else
+	} else {
 		ret = _FAIL;
+	}
 	return ret;
 }