mercurial/parsers.c: fix compiler warning When try to compile on x64 OS X, I get this warning: mercurial/parsers.c:931:27: warning: implicit conversion loses integer precision : 'long' to 'int' [-Wshorten-64-to-32] ? 4 : self->raw_length / 2; The patch verifies if value of self->raw_length falls bellow INT_MAX; if not, it raises the ValueError exception. If value of self->raw_length is greater than 4, it's casted to int type, to eliminate the warning.