Use pkgconfig built from buildout.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44614 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/xorg.cfg

@@ -73,7 +73,7 @@ environment =
   PKG_CONFIG_PATH=${xcbproto:location}/lib/pkgconfig:${libXau:location}/lib/pkgconfig:${xproto:location}/lib/pkgconfig:${xorg-libpthread-stubs:location}/lib/pkgconfig:${libxslt:location}/lib/pkgconfig
   LD_LIBRARY_PATH=${xcbproto:location}/lib:${libXau:location}/lib:${xorg-libpthread-stubs:location}/lib:${libxslt:location}/lib
   LD_RUN_PATH=${xcbproto:location}/lib:${libXau:location}/lib:${xorg-libpthread-stubs:location}/lib:${libxslt:location}/lib
-  PATH=${libxslt:location}/bin:%(PATH)s
+  PATH=${pkgconfig:location}/bin:${libxslt:location}/bin:%(PATH)s
   PYTHON=${buildout:executable}
 # Python note: libxcb requires python with ElementTree. In case of appliance
 # non system python is used, and this binary contains ElementTree. In case of