[gnome-builder] log: make it work on FreeBSD

[Christian Hergert <chergert src gnome org>]

commit c561fb3e4e19dd75869b8741ae92bb7aec888c04
Author: Ting-Wei Lan <lantw src gnome org>
Date:   Tue Dec 30 22:44:18 2014 +0800

    log: make it work on FreeBSD
    
    https://bugzilla.gnome.org/show_bug.cgi?id=742118

 src/log/gb-log.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/log/gb-log.c b/src/log/gb-log.c
index 0936dc5..7f0b150 100644
--- a/src/log/gb-log.c
+++ b/src/log/gb-log.c
@@ -20,7 +20,9 @@
 # include <sys/utsname.h>
 # include <sys/types.h>
 # include <sys/syscall.h>
-#endif /* __linux__ */
+#elif defined __FreeBSD__
+# include <sys/utsname.h>
+#endif /* !__linux__ && !__FreeBSD__ */
 
 #include <glib.h>
 #include <string.h>
@@ -169,7 +171,7 @@ gb_log_init (gboolean     stdout_,
           g_ptr_array_add (channels, channel);
         }
 
-#ifdef __linux__
+#if defined __linux__ || defined __FreeBSD__
       uname (&u);
       memcpy (hostname, u.nodename, sizeof (hostname));
 #else