Fix overflow of rdbWriteRaw return value (#8306)
Fix overflow of rdbWriteRaw return value (#8306)

Saving string of more than 2GB to the RDB file, can result in corrupt RDB, or failure in rdbSave.
S
JackieXie168/redis,JackieXie168/redis,JackieXie168/redis,JackieXie168/redis