Our iov_base is caddr_t, not void*

--- memcached-1.6.22/storage.c	2023-10-16 08:03:25.000000000 +0200
+++ memcached-1.6.22/storage.c.new	2023-12-26 11:07:11.882044125 +0100
@@ -295,7 +295,7 @@
         }
 
         // fill the header so we can get the full data + crc back.
-        eio->iov[0].iov_base = new_it;
+        eio->iov[0].iov_base = (void *)new_it;
         eio->iov[0].iov_len = ITEM_ntotal(new_it) - new_it->nbytes;
         ciovcnt++;