w64: Fix compiler warnings (wrong format specifier)

GetLastError() returns a DWORD value which is unsigned long,
so the correct format specifier is %lu.
Signed-off-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

cpus.c

@@ -865,7 +865,7 @@ static void qemu_cpu_kick_thread(CPUState *cpu)
         CONTEXT tcgContext;
 
         if (SuspendThread(cpu->hThread) == (DWORD)-1) {
-            fprintf(stderr, "qemu:%s: GetLastError:%d\n", __func__,
+            fprintf(stderr, "qemu:%s: GetLastError:%lu\n", __func__,
                     GetLastError());
             exit(1);
         }
@@ -881,7 +881,7 @@ static void qemu_cpu_kick_thread(CPUState *cpu)
         cpu_signal(0);
 
         if (ResumeThread(cpu->hThread) == (DWORD)-1) {
-            fprintf(stderr, "qemu:%s: GetLastError:%d\n", __func__,
+            fprintf(stderr, "qemu:%s: GetLastError:%lu\n", __func__,
                     GetLastError());
             exit(1);
         }