time.c (time_mdump): use another buffer for year_extend
ruby_marshal_write_long may write 9 bytes, but buf has only 8 bytes. So the buffer cannot be reused. This issue was found by Coverity Scan.
time.c (time_mdump): use another buffer for year_extend
ruby_marshal_write_long may write 9 bytes, but buf has only 8 bytes.
So the buffer cannot be reused. This issue was found by Coverity Scan.