Add compel-host to .gitignore

This is an addition to commit ed5b351.

travis-ci: success for Add compel-host to .gitignore
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

.gitignore

@@ -17,6 +17,7 @@ tags
 TAGS
 Makefile.local
 compel/compel
+compel/compel-host
 images/*.c
 images/*.h
 images/google/protobuf/*.c