[tracker] libtracker-data: Fix build with vala master

[Jürg Billeter <juergbi src gnome org>]

commit e4efc3b5591ce74957f55d0edb89910521ecc19e
Author: Jürg Billeter <j bitron ch>
Date:   Fri Nov 27 10:47:37 2009 +0100

    libtracker-data: Fix build with vala master

 src/libtracker-data/tracker-sparql-scanner.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-data/tracker-sparql-scanner.vala b/src/libtracker-data/tracker-sparql-scanner.vala
index bc39ca7..f15491b 100644
--- a/src/libtracker-data/tracker-sparql-scanner.vala
+++ b/src/libtracker-data/tracker-sparql-scanner.vala
@@ -24,7 +24,7 @@ public class Tracker.SparqlScanner : Object {
 	int line;
 	int column;
 
-	public SparqlScanner (char* input, long len) {
+	public SparqlScanner (char* input, size_t len) {
 		char* begin = input;
 		end = begin + len;