[epiphany] search-engine-manager: Always return a search engine address

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 9ee69f99b48e4d384b446162b1861f8351696995
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Wed Jul 12 18:40:19 2017 -0500

    search-engine-manager: Always return a search engine address
    
    We need to return a default search engine address if the value in
    GSettings is somehow messed up. This fixes a crash if the
    default-search-engine and search-engines settings somehow become
    desynced.
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1470287

 lib/ephy-search-engine-manager.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/lib/ephy-search-engine-manager.c b/lib/ephy-search-engine-manager.c
index f65110a..a37c76d 100644
--- a/lib/ephy-search-engine-manager.c
+++ b/lib/ephy-search-engine-manager.c
@@ -27,6 +27,8 @@
 #include "ephy-settings.h"
 #include "ephy-prefs.h"
 
+#define FALLBACK_ADDRESS "https://duckduckgo.com/?q=%s&t=epiphany";
+
 enum {
   SEARCH_ENGINES_CHANGED,
   LAST_SIGNAL
@@ -145,7 +147,7 @@ ephy_search_engine_manager_get_address (EphySearchEngineManager *manager,
   if (info)
     return info->address;
 
-  return NULL;
+  return FALLBACK_ADDRESS;
 }
 
 const char *