AVR: fix compilation on non-Linux platforms.

Signed-off-by: Glenn Baker <[email protected]>

Author: glennsec

qemu/target/avr/decode-insn.c.inc

@@ -23,6 +23,7 @@ typedef struct {
 } arg_decode_insn5;
 
 typedef struct {
+    int noarg_;
 } arg_decode_insn6;
 
 typedef struct {

qemu/target/avr/helper.c

@@ -105,7 +105,7 @@ bool avr_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
                       bool probe, uintptr_t retaddr)
 {
     int prot = 0;
-    MemTxAttrs attrs = {};
+    MemTxAttrs attrs = {0};
     uint32_t paddr;
 
     address &= TARGET_PAGE_MASK;