redo-log: "(resumed)" lines didn't print as often as they should.

If we print a line indicating that we've started building a subprogram,
then that's an "interruption" of the detailed output of the current
program; we need to "resume" the current program's logs before printing
any new detailed information that comes through.

redo/cmd_log.py

@@ -190,9 +190,11 @@ def catlog(t):
                 if opt.debug_locks:
                     logs.meta(kind, relname, pid=pid)
                     logs.write(line.rstrip())
+                    interrupted += 1
                     lines_written += 1
                 elif fixname not in already:
                     logs.meta('do', relname, pid=pid)
+                    interrupted += 1
                     lines_written += 1
                 if opt.recursive:
                     assert text