cargo: fix missing gitignore files

helpers/make-cargo

@@ -17,12 +17,13 @@
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #
 
-VERSION=0
+VERSION=1
 EXTERNAL='deb-src http://ppa.launchpadcontent.net/ubuntu-mozilla-security/rust-updates/ubuntu $UPSTREAM main'
 REPOKEY=A6DCF7707EBC211F
 BACKPORTS=true
 . ./config
 
+grep -lr 'project_root.join(\".git\").is_dir()' | xargs sed -i '/project_root.join(\".git\").is_dir()/d'
 
 changelog "Import as dependency of newer abrowser deb dependencies."