[tracker] libtracker-data: DBInterface.create_statement() may not be abstract in vala

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 2eedcef7ef3aa647b8d50da4606b3247aa0855c7
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon May 14 16:03:44 2018 +0200

    libtracker-data: DBInterface.create_statement() may not be abstract in vala
    
    https://bugzilla.gnome.org/show_bug.cgi?id=796104

 src/libtracker-data/libtracker-data.vapi |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-data/libtracker-data.vapi b/src/libtracker-data/libtracker-data.vapi
index ba09968..a9e446c 100644
--- a/src/libtracker-data/libtracker-data.vapi
+++ b/src/libtracker-data/libtracker-data.vapi
@@ -63,7 +63,7 @@ namespace Tracker {
        [CCode (cheader_filename = "libtracker-data/tracker-db-interface.h")]
        public interface DBInterface : GLib.Object {
                [PrintfFormat]
-               public abstract DBStatement create_statement (DBStatementCacheType cache_type, ...) throws 
DBInterfaceError;
+               public DBStatement create_statement (DBStatementCacheType cache_type, ...) throws 
DBInterfaceError;
                [PrintfFormat]
                public void execute_query (...) throws DBInterfaceError;
                [CCode (cheader_filename = "libtracker-data/tracker-db-interface-sqlite.h")]