hw/nios2: Clean up local variable shadowing

Fix:

  hw/nios2/10m50_devboard.c: In function ‘nios2_10m50_ghrd_init’:
  hw/nios2/10m50_devboard.c:101:22: warning: declaration of ‘dev’ shadows a previous local [-Wshadow=compatible-local]
    101 |         DeviceState *dev = qdev_new(TYPE_NIOS2_VIC);
        |                      ^~~
  hw/nios2/10m50_devboard.c:60:18: note: shadowed declaration is here
     60 |     DeviceState *dev;
        |                  ^~~

  hw/nios2/10m50_devboard.c:110:18: warning: declaration of ‘i’ shadows a previous local [-Wshadow=compatible-local]
    110 |         for (int i = 0; i < 32; i++) {
        |                  ^
  hw/nios2/10m50_devboard.c:67:9: note: shadowed declaration is here
     67 |     int i;
        |         ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230904161235.84651-15-philmd@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

hw/nios2/10m50_devboard.c

@@ -98,7 +98,7 @@ static void nios2_10m50_ghrd_init(MachineState *machine)
     qdev_realize_and_unref(DEVICE(cpu), NULL, &error_fatal);
 
     if (nms->vic) {
-        DeviceState *dev = qdev_new(TYPE_NIOS2_VIC);
+        dev = qdev_new(TYPE_NIOS2_VIC);
         MemoryRegion *dev_mr;
         qemu_irq cpu_irq;
 
@@ -107,7 +107,7 @@ static void nios2_10m50_ghrd_init(MachineState *machine)
 
         cpu_irq = qdev_get_gpio_in_named(DEVICE(cpu), "EIC", 0);
         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, cpu_irq);
-        for (int i = 0; i < 32; i++) {
+        for (i = 0; i < 32; i++) {
             irq[i] = qdev_get_gpio_in(dev, i);
         }