[epiphany] Bump WebKitGTK+ requirements to 2.7.3

[Gustavo Noronha Silva <gns src gnome org>]

commit 0b6fc8136a0941f078bdfac31e8fe388126187bc
Author: Gustavo Noronha Silva <gns gnome org>
Date:   Tue Dec 16 09:50:17 2014 -0200

    Bump WebKitGTK+ requirements to 2.7.3
    
    We use the notifications permission request added by that version.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index c240db2..a72b288 100644
--- a/configure.ac
+++ b/configure.ac
@@ -69,7 +69,7 @@ GLIB_REQUIRED=2.38.0
 GTK_REQUIRED=3.13.0
 LIBXML_REQUIRED=2.6.12
 LIBXSLT_REQUIRED=1.1.7
-WEBKIT_GTK_REQUIRED=2.7.2
+WEBKIT_GTK_REQUIRED=2.7.3
 LIBSOUP_REQUIRED=2.48.0
 GNOME_DESKTOP_REQUIRED=2.91.2
 LIBSECRET_REQUIRED=0.14