help: use parseopt

diff --git a/t/t9102-git-svn-deep-rmdir.sh b/t/t9102-git-svn-deep-rmdir.sh
index 572aaedc06986505ff7b16b5553632051dfa2c58..4e0808380fea78061e37bc4308f0d7ffeb1cbf5f 100755 (executable)
--- a/t/t9102-git-svn-deep-rmdir.sh
+++ b/t/t9102-git-svn-deep-rmdir.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 test_description='git-svn rmdir'
 . ./lib-git-svn.sh