[glib] Solaris build fix

[Philip Withnall <pwithnall src gnome org>]

commit b5733ecc76d8b80a78bfd35406b66a5217b60f20
Author: Patrick Welche <prlw1 cam ac uk>
Date:   Thu Nov 7 10:05:45 2013 +0000

    Solaris build fix
    
    On Solaris sigset_t is only defined in /usr/include/sys/signal.h
    (included from /usr/include/signal.h) if _XPG4_2 is defined. If
    it's not defined, you need to include /usr/include/sys/select.h.
    
    http://bugzilla.gnome.org/show_bug.cgi?id=562334

 glib/gbacktrace.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/glib/gbacktrace.h b/glib/gbacktrace.h
index 96d4505..d7322f4 100644
--- a/glib/gbacktrace.h
+++ b/glib/gbacktrace.h
@@ -30,6 +30,9 @@
 #endif
 
 #include <glib/gtypes.h>
+#ifdef __sun__
+#include <sys/select.h>
+#endif
 #include <signal.h>
 
 G_BEGIN_DECLS