[vala] glib-2.0: add g_strsignal binding

[Evan Nemerson <evann src gnome org>]

commit bc13f3aed18e03a2fa139e4a1ac9c0b26e183bd0
Author: Robert Ancell <robert ancell gmail com>
Date:   Sat Oct 23 01:29:12 2010 -0700

    glib-2.0: add g_strsignal binding
    
    Fixes bug 628934.

 vapi/glib-2.0.vapi |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 29b73a2..190856b 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -2693,6 +2693,8 @@ namespace GLib {
 	[CCode (has_target = false, cheader_filename = "signal.h")]
 	public delegate void SignalHandlerFunc (int signum);
 
+	public unowned string strsignal (int signum);
+
 	[CCode (lower_case_cprefix = "g_")]
 	namespace Process {
 		public static bool spawn_async_with_pipes (string? working_directory, [CCode (array_length = false, array_null_terminated = true)] string[] argv, [CCode (array_length = false, array_null_terminated = true)] string[]? envp, SpawnFlags _flags, SpawnChildSetupFunc? child_setup, out Pid child_pid, out int standard_input = null, out int standard_output = null, out int standard_error = null) throws SpawnError;