[glom/glom-1-28] Field::sql_find_operator(): Add a fallback return.

[Murray Cumming <murrayc src gnome org>]

commit dd55b03d47afc186467f9372681dc312b598471c
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Feb 4 22:49:08 2016 +0100

    Field::sql_find_operator(): Add a fallback return.
    
    g++ seems to want this, at least with C++14, even though our
    default switch case should be enough.

 glom/libglom/data_structure/field.cc |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/glom/libglom/data_structure/field.cc b/glom/libglom/data_structure/field.cc
index aee78bb..9960288 100644
--- a/glom/libglom/data_structure/field.cc
+++ b/glom/libglom/data_structure/field.cc
@@ -466,6 +466,8 @@ Gnome::Gda::SqlOperatorType Field::sql_find_operator() const
       break;
     }
   }
+
+  return Gnome::Gda::SQL_OPERATOR_TYPE_EQ;
 }