[devhelp] Fix gtk+ required version in the README

[Sébastien Wilmet <swilmet src gnome org>]

commit 325fc536dc5d9b71be152c4a21a039114c15c6fc
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Mar 10 12:07:13 2016 +0100

    Fix gtk+ required version in the README

 README |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/README b/README
index 601d2ce..01b86d9 100644
--- a/README
+++ b/README
@@ -4,7 +4,7 @@ Devhelp information
 The following packages are required to compile Devhelp:
 
 glib 2.38 (or greater)
-gtk+ 3.14 (or greater)
+gtk+ 3.19.3 (or greater)
 webkit2gtk-4.0 2.6 (or greater)
 
 Devhelp's primary goal is to be an API documentation browser for