mdwsetup.py: Adjust exit status from `subprocess'.

It doesn't return the raw status from `wait', but some kind of
inconvenient cooked status.

diff --git a/mdwsetup.py b/mdwsetup.py
index 6acbdb6..dfa217e 100644 (file)
--- a/mdwsetup.py
+++ b/mdwsetup.py
@@ -181,7 +181,7 @@ class Generate (BaseGenFile):
     temp = me.target + '.new'
     with open(temp, 'w') as ft:
       rc = SUB.call([SYS.executable, me.sources[0]], stdout = ft)
-    if rc != 0: raise SubprocessFailure, (me.sources[0], rc)
+    if rc != 0: raise SubprocessFailure, (me.sources[0], rc << 8)
     OS.rename(temp, me.target)
 
 ## Backward compatibility.