[vte] Remove generated ChangeLog on make clean

[Christian Persch <chpe src gnome org>]

commit 1b8a6e627bb4c920541977a684767ccfd48ce324
Author: Christian Persch <chpe gnome org>
Date:   Fri Apr 17 19:31:02 2009 +0200

    Remove generated ChangeLog on make clean
---
 Makefile.am |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index c895558..45065bd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,6 +6,9 @@ EXTRA_DIST = \
 	autogen.sh \
 	ChangeLog.pre-git
 
+CLEANFILES = \
+	ChangeLog
+
 DISTCLEANFILES =
 
 if BUILD_GNOME_PTY_HELPER