DFU: fix Wformat compile warning
Change-Id: I8c422d8a709f8311c40d37e1f1f01dcd3a199b6f
diff --git a/firmware/apps/dfu/main.c b/firmware/apps/dfu/main.c
index 7f8fbfc..f9b6aed 100644
--- a/firmware/apps/dfu/main.c
+++ b/firmware/apps/dfu/main.c
@@ -256,7 +256,7 @@
TRACE_INFO("Serial Nr. %08x-%08x-%08x-%08x\n\r",
g_unique_id[0], g_unique_id[1],
g_unique_id[2], g_unique_id[3]);
- TRACE_INFO("Reset Cause: 0x%x\n\r", reset_cause);
+ TRACE_INFO("Reset Cause: 0x%lx\n\r", reset_cause);
#if (TRACE_LEVEL >= TRACE_LEVEL_INFO)
/* Find out why we are in the DFU bootloader, and not the main application */