mrouted: Use github call

Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mrouted/mrouted.mk

@@ -5,8 +5,7 @@
 ################################################################################
 
 MROUTED_VERSION = 3.9.6
-MROUTED_SOURCE = mrouted-$(MROUTED_VERSION).tar.bz2
-MROUTED_SITE = http://cloud.github.com/downloads/troglobit/mrouted
+MROUTED_SITE = $(call github,troglobit,mrouted,$(MROUTED_VERSION))
 MROUTED_DEPENDENCIES = host-bison
 
 define MROUTED_BUILD_CMDS