Sync with AUTHORS.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@6533 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/ACKNOWLEDGEMENTS b/ACKNOWLEDGEMENTS
index be8a79c..0026d9c 100644
--- a/ACKNOWLEDGEMENTS
+++ b/ACKNOWLEDGEMENTS
@@ -47,6 +47,11 @@
 interception machinery, support for client allocation pools, and minor
 other tweakage.
 
+Josef Weidendorfer, Josef.Weidendorfer@gmx.de.
+
+Josef wrote Callgrind and the associated KCachegrind GUI.
+
+
 
 Frederic Gobry helped with autoconf and automake.  Daniel Berlin
 modified readelf's dwarf2 source line reader, written by Nick Clifton,