Ignore empty file paths when generating input file list

It is possible for the input path of <structure>
nodes to be empty, so ignore such descendant
nodes when generating the list of input files
at the <grit> root node.

Review URL: https://codereview.chromium.org/1212703002/

Patch from Terry Anderson <tdanderson@chromium.org>.

git-svn-id: http://grit-i18n.googlecode.com/svn/trunk@191 7262f16d-afe8-6277-6482-052fa10e57b1
2 files changed