fix dpkg errors

debian/control

@@ -30,7 +30,6 @@ Depends: guhd (= ${binary:Version}),
          guh-plugins (= ${binary:Version}),
          ${misc:Depends}
 Suggests: guh-doc
-Recommends: guh-dbg (= ${binary:Version})
 Description: An open source IoT server - meta package
  The guh daemon is a plugin based IoT (Internet of Things) server. The
  server works like a translator for devices, things and services and

debian/guhd.postinst

@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/sh
 
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