watchdog: gef_wdt: fix MODULE_ALIAS

Remove the space between "platform:" prefix and the driver name.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

drivers/watchdog/gef_wdt.c

@@ -329,4 +329,4 @@ MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com>");
 MODULE_DESCRIPTION("GE watchdog driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS("platform: gef_wdt");
+MODULE_ALIAS("platform:gef_wdt");