[baobab] build: Require GTK+ 3.19.1

[Andreas Henriksson <ah src gnome org>]

commit ec35347cc876404cf89fb1fd8f0658009bd7156c
Author: Andreas Henriksson <andreas fatal se>
Date:   Fri Mar 25 07:41:41 2016 +0100

    build: Require GTK+ 3.19.1
    
    Code already uses new api gtk_widget_class_set_css_name (in
    src/baobab-ringschart.vala) which was introduced in that version.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 998122f..986f370 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,7 +42,7 @@ AC_PATH_PROG(GLIB_COMPILE_RESOURCES, glib-compile-resources)
 YELP_HELP_INIT
 
 PKG_CHECK_MODULES(BAOBAB, [
-    gtk+-3.0 >= 3.13.2
+    gtk+-3.0 >= 3.19.1
     glib-2.0 >= 2.39.90
     gio-2.0 >= 2.30.0
 ])