Manager cookies are not compatible with RFC2109.

The Version field in the cookies we're setting contain quotes around the version
number which is not compatible with RFC2109 and breaks some implementations.

(closes issue #17231)
Reported by: ecarruda
Patches:
      manager_rfc2109-trunk-v1.patch uploaded by ecarruda (license 559)
      manager_rfc2109-1.6.2-v1.patch uploaded by ecarruda (license 559)
Tested by: ecarruda, russell

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@263456 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/http.c

@@ -572,7 +572,7 @@ char *ast_http_setcookie(const char *var, const char *val, int expires, char *bu
 {
 	char *c;
 	c = buf;
-	ast_build_string(&c, &buflen, "Set-Cookie: %s=\"%s\"; Version=\"1\"", var, val);
+	ast_build_string(&c, &buflen, "Set-Cookie: %s=\"%s\"; Version=1", var, val);
 	if (expires)
 		ast_build_string(&c, &buflen, "; Max-Age=%d", expires);
 	ast_build_string(&c, &buflen, "\r\n");