Fix code for generating exclude patterns so that gmerge does not
mask a file whose extension starts with '.a' or '.la'.

BUG=chromium-os:33891
TEST=manually checked that .avi files can be gmerge'd while .a
 files are still filtered out.

Change-Id: I4f560492bc7fa3fc0a7d004cf14599c07d79fe3b
Reviewed-on: https://gerrit.chromium.org/gerrit/31628
Commit-Ready: Yusuke Sato <yusukes@chromium.org>
Reviewed-by: Yusuke Sato <yusukes@chromium.org>
Tested-by: Yusuke Sato <yusukes@chromium.org>
1 file changed