Bugfix: Make dpkg-source ignore .git in more cases
Bugfix: Make dpkg-source ignore .git in more cases

In some cases the '-I' param to dpkg-source is not enough. In this case
builds fail since dpkg-source complains about modified files.
This additionally adds (previously used) '-i' to the params, which
fixes those cases.

cclausen/jenkins-debian-glue,mika/jenkins-debian-glue,mika/jenkins-debian-glue,vorlock/jenkins-debian-glue,zeha/jenkins-debian-glue,hashar/jenkins-debian-glue,tonin/jenkins-debian-glue,bmiklautz/jenkins-debian-glue,linuxmaniac/jenkins-debian-glue,bmiklautz/jenkins-debian-glue,kartikm/jenkins-debian-glue,wikimedia/operations-debs-jenkins-debian-glue,vorlock/jenkins-debian-glue,wikimedia/operations-debs-jenkins-debian-glue,hetznerZA/jenkins-debian-glue,n054/jenkins-debian-glue,webtrekk-kane/jenkins-debian-glue,kartikm/jenkins-debian-glue,tonin/jenkins-debian-glue,jbfavre/jenkins-debian-glue,hetznerZA/jenkins-debian-glue,zeha/jenkins-debian-glue,hashar/jenkins-debian-glue,jbfavre/jenkins-debian-glue,cclausen/jenkins-debian-glue,n054/jenkins-debian-glue,webtrekk-kane/jenkins-debian-glue,linuxmaniac/jenkins-debian-glue