small patch from Johannes 5 Joemann

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@467 3c298f89-4303-0410-b956-a3cf2f4a3e73

scripts/patch-kernel.sh

@@ -34,6 +34,7 @@ for i in ${patchdir}/${patchpattern} ; do
 	*)
 	type="plaintext"; uncomp="cat"; ;; 
     esac
+    [ -d "${i}" ] && echo "Ignoring subdirectory ${i}" && continue	
     echo ""
     echo "Applying ${i} using ${type}: " 
     ${uncomp} ${i} | patch -p1 -E -d ${targetdir}