firmware-utils: fix -Wpointer-sign warnings

[openwrt/openwrt.git] / tools / firmware-utils / src / mkwrggimg.c

diff --git a/tools/firmware-utils/src/mkwrggimg.c b/tools/firmware-utils/src/mkwrggimg.c
index 9995b9a13d8712b15df51199280e6cbc09ea1fbb..d2c42b02b3838807e18c9e6b402e7df8a8ffd9ef 100644 (file)
--- a/tools/firmware-utils/src/mkwrggimg.c
+++ b/tools/firmware-utils/src/mkwrggimg.c
@@ -114,7 +114,7 @@ static void get_digest(struct wrgg03_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[])