fixed make distcheck
fixed make distcheck

Added dolt temporary files to DISTCLEANFILES.

Signed-off-by: Akos Pasztory <01ad3c2e574ddb1de59b06cba082469450cc953b@nokia.com>

rburchell/ck,rburchell/ck,rburchell/ck,rburchell/ck,rburchell/ck