firmware-utils: fix -Wpointer-sign warnings

[openwrt/staging/hauke.git] / tools / firmware-utils / src / mkwrgimg.c

diff --git a/tools/firmware-utils/src/mkwrgimg.c b/tools/firmware-utils/src/mkwrgimg.c
index 3915d146cff11bd41f054d7ef5b8c2abd1e79c0a..6ba2fd15774f718dd2b895574568b8bcc2537908 100644 (file)
--- a/tools/firmware-utils/src/mkwrgimg.c
+++ b/tools/firmware-utils/src/mkwrgimg.c
@@ -100,7 +100,7 @@ static void get_digest(struct wrg_header *header, char *data, int size)
        MD5_Update(&ctx, (char *)&header->devname, sizeof(header->devname));
        MD5_Update(&ctx, data, size);
 
-       MD5_Final(header->digest, &ctx);
+       MD5_Final((unsigned char *)header->digest, &ctx);
 }
 
 int main(int argc, char *argv[])