debian_build.py: Fix another shell escape.

diff --git a/debian_build.py b/debian_build.py
index 52935fb4cf4bc66bd9cdd20e3ece83d5cf6f75ad..4025f723e1fbf8fab152254809a18272958cb151 100755 (executable)
--- a/debian_build.py
+++ b/debian_build.py
@@ -668,7 +668,7 @@ export {builder_env} FORCE_SHELL=TRUE
            jenkins_workspace=builder.dsc_dir,
            builder_env=' '.join(['{k}="{v}"'.format(k=key, v=builder.env[key],)
                                  for key in builder.env.keys()]),
-           command=' '.join(builder.command),
+           command=' '.join(escape_arg(arg) for arg in builder.command),
            orig_branch=ENV['GIT_BRANCH'],
            ))