setupapi: Avoid shadowing devInst variable.

dlls/setupapi/devinst.c

@@ -535,7 +535,7 @@ static void SETUPDI_FreeDeviceInfo(struct DeviceInfo *devInfo)
  */
 static BOOL SETUPDI_AddDeviceToSet(struct DeviceInfoSet *set,
         const GUID *guid,
-        DWORD devInst,
+        DWORD dev_inst,
         LPCWSTR instanceId,
         BOOL phantom,
         SP_DEVINFO_DATA **dev)
@@ -544,7 +544,7 @@ static BOOL SETUPDI_AddDeviceToSet(struct DeviceInfoSet *set,
     struct DeviceInfo *devInfo = SETUPDI_AllocateDeviceInfo(set, set->cDevices,
             instanceId, phantom);
 
-    TRACE("%p, %s, %d, %s, %d\n", set, debugstr_guid(guid), devInst,
+    TRACE("%p, %s, %d, %s, %d\n", set, debugstr_guid(guid), dev_inst,
             debugstr_w(instanceId), phantom);
 
     if (devInfo)