Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/d85718bf99a7
Author: Fernando Campo <fernando.campo@o2.com>
Desc: Merge pull request #10273 from masap/20130608

Bug 880919 - [WiFi] Use shared code for settings and FTU (r=fcampo,arthurcc)

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https://hg.mozilla.org/integration/gaia-central/rev/6d06dc90a5b7
Author: Masashi Honma <masashi.honma@gmail.com>
Desc: Bug 880919 - [WiFi] Use shared code for settings and FTU

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "4ff2ffcc800aed54ee15be27fce766935db3af62", 
+    "revision": "d85718bf99a7b39d04696c90388b7f3014c27b16", 
     "repo_path": "/integration/gaia-central"
 }