target-mips: fix passing incompatible pointer type in machine.c

Reported-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NLeon Alrae <leon.alrae@imgtec.com>

target-mips/machine.c

@@ -153,6 +153,7 @@ static void put_tlb(QEMUFile *f, void *pv, size_t size)
 {
     r4k_tlb_t *v = pv;
 
+    uint8_t asid = v->ASID;
     uint16_t flags = ((v->EHINV << 15) |
                       (v->RI1 << 14) |
                       (v->RI0 << 13) |
@@ -168,7 +169,7 @@ static void put_tlb(QEMUFile *f, void *pv, size_t size)
 
     qemu_put_betls(f, &v->VPN);
     qemu_put_be32s(f, &v->PageMask);
-    qemu_put_8s(f, &v->ASID);
+    qemu_put_8s(f, &asid);
     qemu_put_be16s(f, &flags);
     qemu_put_be64s(f, &v->PFN[0]);
     qemu_put_be64s(f, &v->PFN[1]);