[gnome-music] Use /bin/sh to run autogen.sh

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 606c50a78c7b8708b3160c586f297a43c4d3aa25
Author: Ting-Wei Lan <lantw src gnome org>
Date:   Thu Apr 23 23:54:30 2015 +0800

    Use /bin/sh to run autogen.sh
    
    https://bugzilla.gnome.org/show_bug.cgi?id=748375

 autogen.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 6a36f45..0b61527 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Run this to generate all the initial makefiles, etc.
 
 srcdir=`dirname $0`