bugzilla: stop bugs always being marked as fixed in xmlrpc (issue3484)

Bugs should only be marked fixed if the comment parser gives them the
fixed state. xmlrpc+email got this right, xmlrpc screwed it up.

hgext/bugzilla.py

@@ -654,8 +654,9 b' class bzxmlrpc(bzaccess):'
         if self.bzvermajor >= 4:
             args['ids'] = [bugid]
             args['comment'] = {'body' : text}
-            args['status'] = self.fixstatus
-            args['resolution'] = self.fixresolution
+            if 'fix' in newstate:
+                args['status'] = self.fixstatus
+                args['resolution'] = self.fixresolution
             self.bzproxy.Bug.update(args)
         else:
             if 'fix' in newstate: