Use watchdog-aware functions when calculating hashes of images

Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>
diff --git a/lib_generic/crc32.c b/lib_generic/crc32.c
index 73070de..57c6d66 100644
--- a/lib_generic/crc32.c
+++ b/lib_generic/crc32.c
@@ -13,8 +13,8 @@
 #else
 #include <stdint.h>
 #endif
-#include <watchdog.h>
 
+#include <watchdog.h>
 #include "zlib.h"
 
 #define local static