Fix thinko in the introduction of "recurse"

"not force and not earlyabort" simplifies to "not earlyabort" rather
than "not force", as an easy hint would set "earlyabort" but not
"force".

Signed-off-by: Adam D. Barratt <adam@adam-barratt.org.uk>

britney.py

@@ -2257,7 +2257,7 @@ class Britney(object):
 
         if force or self.is_nuninst_asgood_generous(self.nuninst_orig, nuninst_end):
             # Result accepted either by force or by being better than the original result.
-            if not force:
+            if recurse:
                 self.output_write("Apparently successful\n")
             self.output_write("final: %s\n" % ",".join(sorted([ x.uvname for x in selected ])))
             self.output_write("start: %s\n" % self.eval_nuninst(nuninst_start))