mq: use cmdutil.matchfiles instead of match for qnew -f.

Closes issue1368.

hgext/mq.py

@@ -661,7 +661,7 b' class queue:'
             m, a, r, d = repo.status(match=match)[:4]
         else:
             m, a, r, d = self.check_localchanges(repo, force)
-            match = cmdutil.match(repo, m + a + r)
+            match = cmdutil.matchfiles(repo, m + a + r)
         commitfiles = m + a + r
         self.check_toppatch(repo)
         insert = self.full_series_end()

tests/test-mq-qnew

@@ -44,4 +44,13 b' hg qnew first.patch'
 touch ../first.patch
 hg qimport ../first.patch
 
-exit 0
+echo '% qnew -f from a subdirectory'
+hg qpop -a
+mkdir d
+cd d
+echo b > b
+hg ci -Am t
+echo b >> b
+hg st
+hg qnew -g -f p
+cat ../.hg/patches/p

tests/test-mq-qnew.out

@@ -18,3 +18,13 b' foo bar'
 % qnew twice
 abort: patch "first.patch" already exists
 abort: patch "first.patch" already exists
+% qnew -f from a subdirectory
+Patch queue now empty
+adding d/b
+M d/b
+diff --git a/d/b b/d/b
+--- a/d/b
++++ b/d/b
+@@ -1,1 +1,2 @@
+ b
++b