runtime(Filelist): include runtime/syntax/testdir/ftplugin

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/Filelist b/Filelist
index acc9318..c875c0b 100644
--- a/Filelist
+++ b/Filelist
@@ -825,6 +825,7 @@
 		runtime/syntax/Makefile \
 		runtime/syntax/testdir/README.txt \
 		runtime/syntax/testdir/runtest.vim \
+		runtime/syntax/testdir/ftplugin/*.* \
 		runtime/syntax/testdir/input/*.* \
 		runtime/syntax/testdir/dumps/*.dump \
 		runtime/syntax/generator/Makefile \