Fix a bug where on certain platforms i8_t was defined as an unsigned type (those where char is unsigned by default).
Fix a bug where on certain platforms i8_t was defined as an unsigned type
(those where char is unsigned by default).


git-svn-id: cb1f56016b938a9eb977ee3833dcaa0292d8bc39@811982 13f79535-47bb-0310-9956-ffa450edef68

apache/lucy-charmonizer,apache/lucy-charmonizer