[epiphany] session: Ignore blank URLs when saving session

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 54f10fd20e095db84d78567affb6fef078686dc7
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Jan 26 08:29:07 2017 -0600

    session: Ignore blank URLs when saving session

 src/ephy-session.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/ephy-session.c b/src/ephy-session.c
index 4c75125..08aa66d 100644
--- a/src/ephy-session.c
+++ b/src/ephy-session.c
@@ -831,7 +831,10 @@ session_seems_sane (GList *windows)
        SoupURI *uri = soup_uri_new (url);
        if (uri) {
          soup_uri_free (uri);
-       } else {
+       }
+       /* Blank URLs can occur in some situations. Don't save them, but also
+        * do not torpedo the entire session as it's not a bug. */
+       else if (strcmp (url, "") != 0) {
          g_critical ("Refusing to save session due to invalid URL %s", url);
          return FALSE;
        }