Switch to side-by-side view

--- a/src/qtgui/recoll.h
+++ b/src/qtgui/recoll.h
@@ -26,7 +26,8 @@
 // Misc declarations in need of sharing between the UI files
 
 // Open the database if needed. We now force a close/open by default
-extern bool maybeOpenDb(std::string &reason, bool force = true);
+extern bool maybeOpenDb(std::string &reason, bool force = true, 
+			bool *maindberror = 0);
 
 /** Retrieve configured stemming languages */
 bool getStemLangs(list<string>& langs);