[tracker] libtracker-sparql: Avoid strcmp() build warnings in cursor_get_boolean()

[Martyn James Russell <mr src gnome org>]

commit b26f48104ee4f71a2acec994a76a9de0dcb18929
Author: Martyn Russell <martyn lanedo com>
Date:   Sat Oct 19 15:59:11 2013 +0100

    libtracker-sparql: Avoid strcmp() build warnings in cursor_get_boolean()

 src/libtracker-sparql/tracker-cursor.vala |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-sparql/tracker-cursor.vala b/src/libtracker-sparql/tracker-cursor.vala
index 90f2b52..42c1a6a 100644
--- a/src/libtracker-sparql/tracker-cursor.vala
+++ b/src/libtracker-sparql/tracker-cursor.vala
@@ -266,7 +266,12 @@ public abstract class Tracker.Sparql.Cursor : Object {
                ValueType type = get_value_type (column);
                return_val_if_fail (type == ValueType.BOOLEAN, 0);
                unowned string as_str = get_string (column);
-               return (strcmp (as_str, "true") == 0);
+
+               if (as_str != null && as_str.ascii_casecmp ("true") == 0) {
+                       return true;
+               }
+
+               return false;
        }
 
        /**