Fix call to aux-file-data.sh for systems which don't link /bin/sh to /bin/bash (e.g. Kubuntu-8.10). Other shells (e.g. dash) don't contain pushd and popd as shell builtins.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8746 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

Makefile

@@ -84,7 +84,7 @@ validxml: tmpdir
 	$(Q)xmllint --nonet --noent --xinclude --postvalid \
 	  -o $(RENDERTMP)/lfs-full.xml index.xml
 	$(Q)rm -f appendices/*.script
-	$(Q)sh aux-file-data.sh $(RENDERTMP)/lfs-full.xml
+	$(Q)./aux-file-data.sh $(RENDERTMP)/lfs-full.xml
 
 maketar:
 	@echo "Making tarballs..."