[packages/firefox] try to BR: libatomic-devel for atomic test

[atler]

commit aa03250a823365d52426d72c0c3965ba42fcbb3b
Author: Jan Palus <atler at pld-linux.org>
Date:   Sat Aug 19 14:36:26 2017 +0200

    try to BR: libatomic-devel for atomic test
    
    on i686 it ends with:
    
    checking whether 64-bits std::atomic requires -latomic... do not know; assuming no

 firefox.spec | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/firefox.spec b/firefox.spec
index b73f666..0df818e 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -66,6 +66,7 @@ BuildRequires:	gstreamer-plugins-base-devel >= 1.0
 %{?with_kerberos:BuildRequires:	heimdal-devel >= 0.7.1}
 BuildRequires:	hunspell-devel >= 1.6.1
 BuildRequires:	libIDL-devel >= 0.8.0
+BuildRequires:	libatomic-devel
 # DECnet (dnprogs.spec), not dummy net (libdnet.spec)
 #BuildRequires:	libdnet-devel
 BuildRequires:	libevent-devel >= 1.4.7
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/firefox.git/commitdiff/aa03250a823365d52426d72c0c3965ba42fcbb3b