Apply the dynamic SCSI buffer window sizing fix to MO, removable disk, and CD-ROM as well.

src/include/86box/mo.h

@@ -140,6 +140,7 @@ typedef struct mo_t {
     void *             log;
 
     uint8_t           *buffer;
+    size_t             buffer_sz;
     uint8_t            atapi_cdb[16];
     uint8_t            current_cdb[16];
     uint8_t            sense[256];