Build error in http.c in new Fedora

[Steve French]

FYI - Noticed a build error on samba 4-2 with Fedora FC22 (clean
system with only yum build-dep for Samba and plain boring ./configure
; make). .  I don't remember seeing this before but it looks like the
code is wrong in changeset

commit 8260ae6dbe5e65033d406ba26bbe97a6e4712c4c
Author: Samuel Cabrero <samuelcabrero at kernevil.me>
Date:   Tue Sep 16 16:12:26 2014 +0200

    ncacn_http: Add http library

    Signed-off-by: Samuel Cabrero <samuelcabrero at kernevil.me>


Build error is:

[sfrench at localhost samba]$ make
WAF_MAKE=1 python ./buildtools/bin/waf build
Waf: Entering directory `/home/sfrench/samba/bin'
Selected embedded Heimdal build
[1684/4078] Compiling source4/lib/http/http.c
../source4/lib/http/http.c: In function ‘http_parse_headers’:
../source4/lib/http/http.c:115:19: error: format ‘%a’ expects argument
of type ‘float *’, but argument 3 has type ‘char **’ [-Werror=format=]
  n = sscanf(line, "%a[^:]: %a[^\r\n]\r\n", &key, &value);
                   ^
../source4/lib/http/http.c:115:19: error: format ‘%a’ expects argument
of type ‘float *’, but argument 4 has type ‘char **’ [-Werror=format=]
../source4/lib/http/http.c: In function ‘http_parse_response_line’:
../source4/lib/http/http.c:161:19: error: format ‘%a’ expects argument
of type ‘float *’, but argument 3 has type ‘char **’ [-Werror=format=]
  n = sscanf(line, "%a[^/]/%c.%c %d %a[^\r\n]\r\n",
                   ^
../source4/lib/http/http.c:161:19: error: format ‘%a’ expects argument
of type ‘float *’, but argument 7 has type ‘char **’ [-Werror=format=]
cc1: some warnings being treated as errors
Waf: Leaving directory `/home/sfrench/samba/bin'
Build failed:  -> task failed (err #1):
{task: cc http.c -> http_1.o}
Makefile:8: recipe for target 'all' failed
make: *** [all] Error 1
[sfrench at localhost samba]$ git branch -a
  master
* v4-2-stable
  remotes/origin/HEAD -> origin/master


-- 
Thanks,

Steve