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

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https://hg.mozilla.org/integration/gaia-central/rev/59a7fe9d041d
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #10239 from crh0716/880157

Bug 880157 - Update the name if available

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https://hg.mozilla.org/integration/gaia-central/rev/451d9b605d6b
Author: crh0716 <crh0716@gmail.com>
Desc: Bug 880157 - Update the name if available

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "c0cf4243386461b0e0a43410bc0750c4deb49679", 
+    "revision": "59a7fe9d041ddb52f3e38659b0b08ac8a5fc0652", 
     "repo_path": "/integration/gaia-central"
 }