init-scripts: check-reload: force 0 as return value.

debian/nginx.init.in

diff --git a/debian/nginx.init.in b/debian/nginx.init.in
index 16ab45a..72274f6 100644
--- a/debian/nginx.init.in
+++ b/debian/nginx.init.in
@@ -166,6 +166,7 @@
         ;;
     check-reload)
         do_checkreload
+        RETVAL=0
         ;;
     *)
         echo "Usage: $SCRIPTNAME {start|stop|status|restart|reload|force-reload|upgrade|configtest|check-reload}" >&2

rpm/SOURCES/nginx.init.in

diff --git a/rpm/SOURCES/nginx.init.in b/rpm/SOURCES/nginx.init.in
index 06f9670..3083099 100755
--- a/rpm/SOURCES/nginx.init.in
+++ b/rpm/SOURCES/nginx.init.in
@@ -159,6 +159,7 @@
         ;;
     check-reload)
         check_reload
+        RETVAL=0
         ;;
     *)
         echo $"Usage: $prog {start|stop|restart|condrestart|try-restart|force-reload|upgrade|reload|status|help|configtest|check-reload}"