[gnome-sdk-images] Work around mtime race in mozjs

[Alexander Larsson <alexl src gnome org>]

commit 96a24d515000e13d52e8d2a0ef3626ea5d01a009
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Feb 22 10:21:48 2017 +0100

    Work around mtime race in mozjs
    
    See https://bugzilla.gnome.org/show_bug.cgi?id=778802 for details

 org.gnome.Sdk.json.in |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/org.gnome.Sdk.json.in b/org.gnome.Sdk.json.in
index 0d442a9..a449dcd 100644
--- a/org.gnome.Sdk.json.in
+++ b/org.gnome.Sdk.json.in
@@ -655,6 +655,8 @@
                 {
                     "type": "shell",
                     "commands": [
+                        /* Work around mtime issue in configure and configure.ac (see bug 778802) */
+                        "touch configure",
                         "cp -f /usr/share/gnu-config/config.sub ./build/autoconf/",
                         "cp -f /usr/share/gnu-config/config.guess ./build/autoconf/"
                     ]