gbitlock: fix this to not unconditionally use futex emulation

Ryan accidentally committed some debugging code a long time ago,
causing this file to always use futex emulation even when real futex
support was available. I noticed this a while later and pointed it out
to him, and assumed he was going to fix it, but I guess he assumed I
was going to fix it, and then neither of us did...

https://bugzilla.gnome.org/show_bug.cgi?id=699500

diff --git a/glib/gbitlock.c b/glib/gbitlock.c
index 89e0071..e183d39 100644 (file)
--- a/glib/gbitlock.c
+++ b/glib/gbitlock.c
@@ -32,8 +32,8 @@
 
 #include "gthreadprivate.h"
 
-#undef HAVE_FUTEX
 #ifdef G_BIT_LOCK_FORCE_FUTEX_EMULATION
+#undef HAVE_FUTEX
 #endif
 
 #ifndef HAVE_FUTEX