package/logrotate: update upstream site in Config.in help

fedorahosted.org has closed on March 1st, 2017, and we were anyway
already using github as a source for logrotate. This commit therefore
updates the Config.in help text to also use github as the upstream
site.

Signed-off-by: Julien BOIBESSOT <julien.boibessot@armadeus.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/logrotate/Config.in

@@ -6,7 +6,7 @@ config BR2_PACKAGE_LOGROTATE
 	help
 	  A simple program to rotate logs.
 
-	  https://fedorahosted.org/logrotate/
+	  https://github.com/logrotate/logrotate
 
 comment "logrotate needs a toolchain w/ wchar"
 	depends on BR2_USE_MMU