[gnome-builder] egg-counter: use atomics on FreeBSD now

[Christian Hergert <chergert src gnome org>]

commit 31b3734c77ce7aa7cd1de747c5a83bc14b257d3b
Author: Christian Hergert <christian hergert me>
Date:   Mon May 11 21:21:02 2015 -0700

    egg-counter: use atomics on FreeBSD now
    
    We can surely optimize this a bit, but for now let's progress towards
    building again.

 contrib/egg/egg-counter.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/contrib/egg/egg-counter.h b/contrib/egg/egg-counter.h
index 5e904c5..6a02819 100644
--- a/contrib/egg/egg-counter.h
+++ b/contrib/egg/egg-counter.h
@@ -150,7 +150,7 @@ G_BEGIN_DECLS
     __builtin_ia32_rdtscp (&cpu);
     return cpu;
   }
-#elif defined(__linux__) || defined(__FreeBSD__)
+#elif defined(__linux__)
 # ifndef _GNU_SOURCE
 #  define _GNU_SOURCE
 # endif