[epiphany/mcatanzaro/#590] web-view: Handle NULL URIs in ephy_web_view_set_address()

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 1e7d58bc54f43d2af13f4f3daab5d0560bcf1875
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Tue Nov 27 14:27:49 2018 -0600

    web-view: Handle NULL URIs in ephy_web_view_set_address()
    
    This is possible if the web view has not loaded anything yet.
    
    Fixes #590

 embed/ephy-web-view.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/embed/ephy-web-view.c b/embed/ephy-web-view.c
index 70b6472b6..af1dfc298 100644
--- a/embed/ephy-web-view.c
+++ b/embed/ephy-web-view.c
@@ -1107,7 +1107,7 @@ ephy_web_view_set_address (EphyWebView *view,
   view->address = g_strdup (address);
 
   g_free (view->display_address);
-  view->display_address = ephy_uri_decode (view->address);
+  view->display_address = view->address ? ephy_uri_decode (view->address) : NULL;
 
   _ephy_web_view_set_is_blank (view, ephy_embed_utils_url_is_empty (address));