added myself to the committers

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21353 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/COMMITTERS b/docs/COMMITTERS
index 35eaae0..168f0b6 100644
--- a/docs/COMMITTERS
+++ b/docs/COMMITTERS
@@ -110,6 +110,7 @@
 toni Antonius Hellmann
 tpdiffenbach TP Diffenbach
 tucoz Martin Arver
+ubuntuxer Johannes Schwarz
 unhelpful Andrew Mahone
 vitja Vitja Makarov
 zagor Björn Stenberg