parsers: remove warning: format ‘%ld’ expects argument of type ‘long int’ gcc 4.6.3 on 12.04 Ubuntu machine emits warnings: mercurial/parsers.c: In function ‘find_deepest’: mercurial/parsers.c:1288:9: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘Py_ssize_t’ [-Wformat] mercurial/parsers.c:1288:9: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 4 has type ‘Py_ssize_t’ [-Wformat]