Add return for CDR messages in filter HSP (#242)

Fixes #241. A return was mistakenly removed, so that now this filter
will fail to process any CDR-type messages (or, at least, won't pass
them through the filter).

Author: braindawg

plugins/filters/app_hsp/filter_app_hsp.js

@@ -192,7 +192,7 @@ FilterAppHsp.prototype.process = function(raw) {
 				  }
 				}
 			}
-
+			return raw.message;
 	    }  else { return raw.message; }
 
 	} catch(e) { console.log('ERROR:',e); return raw.message; }