usbloader: fix include path for bootimg.h
diff --git a/usbloader/main.c b/usbloader/main.c
index 490b138..21da00e 100644
--- a/usbloader/main.c
+++ b/usbloader/main.c
@@ -32,7 +32,7 @@
 #include <boot/flash.h>
 #include <boot/board.h>
 
-#include <bootimg.h>
+#include <boot/bootimg.h>
 
 #define FLASH_PAGE_SIZE 2048
 #define FLASH_PAGE_BITS 11