expunge_logs: Abort on keyboard interrupt

(imported from commit b1fe93859c15e447c0935fcfb0e83a200bc016ba)

zephyr/management/commands/expunge_logs.py

@@ -61,6 +61,8 @@ class Command(BaseCommand):
         for infile in args:
             try:
                 expunge(infile)
+            except KeyboardInterrupt:
+                raise
             except:
                 print >>sys.stderr, 'WARNING: Could not expunge from', infile
                 traceback.print_exc()