[gnome-sdk-images] Try harder to make mozjs52 build

[Matthias Clasen <matthiasc src gnome org>]

commit e7cae394f98b90eb443db3a3c55cf40815c456c1
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jul 21 08:22:09 2017 -0400

    Try harder to make mozjs52 build

 org.gnome.Sdk.json.in |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/org.gnome.Sdk.json.in b/org.gnome.Sdk.json.in
index bc5226e..ffb573f 100644
--- a/org.gnome.Sdk.json.in
+++ b/org.gnome.Sdk.json.in
@@ -626,7 +626,8 @@
             "config-opts": [  "--enable-posix-nspr-emulation",
                               "--with-system-zlib",
                               "--with-system-icu",
-                              "--with-intl-api"],
+                              "--with-intl-api",
+                              "AUTOCONF=autoconf"],
             "subdir": "js/src",
             "sources": [
                 {