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

========

https://hg.mozilla.org/integration/gaia-central/rev/5914be9c24a0
Author: Yuren Ju <yurenju@gmail.com>
Desc: Merge pull request #11750 from yurenju/909190

Bug 909190 - xulrunner doesn't be uncompressed to correect directory on ... r=timdream

========

https://hg.mozilla.org/integration/gaia-central/rev/06f4ef74ed1f
Author: Yuren Ju <yurenju@gmail.com>
Desc: Bug 909190 - xulrunner doesn't be uncompressed to correect directory on windows

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "369de4d75102056e052ebebec0338cf2cda976a5", 
+    "revision": "5914be9c24a005e0e3eda6d00f7966ab9d24b981", 
     "repo_path": "/integration/gaia-central"
 }