gpg, commands: fixed util.abort to util.Abort typos

gpg: Fixed util.abort typo after entering wrong password.
commands: Fixed util.abort typo in debugindex.

hgext/gpg.py

@@ -227,7 +227,7 b' def sign(ui, repo, *revs, **opts):'
         data = node2txt(repo, n, sigver)
         sig = mygpg.sign(data)
         if not sig:
-            raise util.abort(_("error while signing"))
+            raise util.Abort(_("error while signing"))
         sig = binascii.b2a_base64(sig)
         sig = sig.replace("\n", "")
         sigmessage += "%s %s %s\n" % (hexnode, sigver, sig)

mercurial/commands.py

@@ -1270,7 +1270,7 b' def debugindex(ui, repo, file_, **opts):'
 
     format = opts.get('format', 0)
     if format not in (0, 1):
-        raise util.abort("unknown format %d" % format)
+        raise util.Abort("unknown format %d" % format)
 
     if not r:
         r = revlog.revlog(util.opener(os.getcwd(), audit=False), file_)