[pithos] Add missing buildrequire

[Patrick Griffis]

commit df47365081ee68b4bd8e495f12facddf5e04f4a3
Author: Patrick Griffis <tingping at tingping.se>
Date:   Wed Jul 27 19:21:47 2016 -0400

    Add missing buildrequire

 pithos.spec | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/pithos.spec b/pithos.spec
index 4125aa3..869ccd9 100644
--- a/pithos.spec
+++ b/pithos.spec
@@ -13,6 +13,7 @@ Source0:        https://github.com/pithos/pithos/releases/download/%{version}/pi
 BuildArch:      noarch
 BuildRequires:  python3-devel >= 3.4
 BuildRequires:  intltool
+BuildRequires:  glib2
 
 Requires:       gtk3 libsecret
 Requires:       python3-gobject python3-cairo