Update func.c

today i edit two functions,including  CollSeq *sqlite3GetFuncCollSeq(sqlite3_context *context) and static void sqlite3SkipAccumulatorLoad(sqlite3_context *context).
Update func.c

更新到static void *contextMalloc(sqlite3_context *context, i64 nByte)函数
Merge pull request #12 from amy-lj/amy-lj&func

Update func.c