remotefilelog: use the right expandpath in to expand `~`

Given the context where path is most likely a file system path, I suspect that
the initial author confused ui.expandpath and util.expandpath (a proxy for
os.path.expanduser and co)

Differential Revision: https://phab.mercurial-scm.org/D10411

hgext/remotefilelog/__init__.py

@@ -888,7 +888,7 b' def gcclient(ui, cachepath):'
         progress.update(count)
         count += 1
         try:
-            path = ui.expandpath(os.path.normpath(path))
+            path = util.expandpath(os.path.normpath(path))
         except TypeError as e:
             ui.warn(_(b"warning: malformed path: %r:%s\n") % (path, e))
             traceback.print_exc()