include/package-bin: print warnings/errors to stderr

Makes warnings/errors visible when building with V=w/V=1.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35714 3c298f89-4303-0410-b956-a3cf2f4a3e73

include/package-bin.mk

@@ -14,7 +14,7 @@ ifeq ($(DUMP),)
       else
         compile: $(1)-disabled
         $(1)-disabled:
-		@echo "WARNING: skipping $(1) -- package not selected"
+		@echo "WARNING: skipping $(1) -- package not selected" >&2
       endif
     endif
     endif