[glom] Don't use 0 for a boolean.

[Murray Cumming <murrayc src gnome org>]

commit fe3aaecffe818c133e54759a33fde4fec081457b
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Nov 7 18:12:19 2016 +0100

    Don't use 0 for a boolean.

 glom/frame_glom.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glom/frame_glom.cc b/glom/frame_glom.cc
index 38f3d11..b727c7f 100644
--- a/glom/frame_glom.cc
+++ b/glom/frame_glom.cc
@@ -1226,7 +1226,7 @@ void Frame_Glom::on_notebook_find_criteria(const Gnome::Gda::SqlExpr& where_clau
     records_found = (update_records_count() > 0);
 
     if(!inited)
-      records_found = 0;
+      records_found = false;
   }
 
   std::cout << G_STRFUNC << ": records_found=" << records_found << std::endl;