[gnome-sdk-images] Try again

[Matthias Clasen <matthiasc src gnome org>]

commit f683811623c845a459db97f9b06eaa9c88424727
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jul 22 12:41:37 2017 -0400

    Try again
    
    icu was still failing the build

 org.gnome.Sdk.json.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/org.gnome.Sdk.json.in b/org.gnome.Sdk.json.in
index 27c6f19..566ff10 100644
--- a/org.gnome.Sdk.json.in
+++ b/org.gnome.Sdk.json.in
@@ -625,6 +625,7 @@
             },
             "config-opts": [  "--enable-posix-nspr-emulation",
                               "--with-system-zlib",
+                              "--without-system-icu",
                               "--with-intl-api",
                               "AUTOCONF=autoconf"],
             "subdir": "js/src",