need non-error exit code in cdist-object-codegen or it stops the whole execution chain

Signed-off-by: Steven Armstrong <steven.armstrong@inf.ethz.ch>

bin/cdist-object-codegen

@@ -52,3 +52,7 @@ cat << eof
 eof
 
 [ -x "$gencode" ] && __cdist_exec_fail_on_error "$gencode" "$__cdist_object_id"
+
+# Ensure non-error exit status
+exit 0
+