[gnome-continuous] manifest: build meson master

[Javier Jardón Cabezas <jjardon src gnome org>]

commit 25fa2145e9b330d9d115950c3c96ab994af413aa
Author: Javier Jardón <jjardon gnome org>
Date:   Sun Feb 26 13:10:02 2017 +0000

    manifest: build meson master
    
    We need this fix:
    https://github.com/mesonbuild/meson/pull/1432

 manifest.json |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 1d01b0c..1d5b70a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -67,7 +67,6 @@
                 "noarch": true},
 
                 {"src": "git:git://github.com/mesonbuild/meson.git",
-                 "tag": "0.38.0",
                  "component": "devel",
                  "patches": ["python-meson-buildsys.patch"]},