Reviewed by Brady.

        * Makefile.shared: use $PIPESTATUS[0] and a sub-shell to exit with xcodebuild's exit status

WebKitTools:

        Reviewed by Brady.

        * Makefile.shared: use $PIPESTATUS[0] and a sub-shell to exit with xcodebuild's exit status



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@18216 268f45cc-cd09-0410-ab3c-d52691b4dbfc