liuhenry946-oss

Results 1 issues of liuhenry946-oss

### What problem does this PR solve? Implemented `Arena::allocate_aligned` in `butil` and applied it to [RedisReply](cci:1://file:///c:/Users/29858/.gemini/antigravity/scratch/brpc/src/brpc/redis_reply.cpp:33:0-50:1) to solve the FIXME: "// FIXME(gejun): Call allocate_aligned instead." ### Changes - Added [allocate_aligned](cci:1://file:///c:/Users/29858/.gemini/antigravity/scratch/brpc/src/butil/arena.h:83:0-98:1)...