fix warnings about pointer signedness

2 files changed, 3 insertions, 3 deletions

diff --git a/coreutils/md5_sha1_sum.c b/coreutils/md5_sha1_sum.c
index 2e1c96459..c81619493 100644
--- a/coreutils/md5_sha1_sum.c
+++ b/coreutils/md5_sha1_sum.c
@@ -21,7 +21,7 @@ static unsigned char *hash_bin_to_hex(unsigned char *hash_value,
 	/* xzalloc zero-terminates */
 	char *hex_value = xzalloc((hash_length * 2) + 1);
 	bin2hex(hex_value, (char*)hash_value, hash_length);
-	return hex_value;
+	return (unsigned char *)hex_value;
 }
 
 static uint8_t *hash_file(const char *filename, hash_algo_t hash_algo)
diff --git a/coreutils/tr.c b/coreutils/tr.c
index d0af63a36..0d3284900 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -208,8 +208,8 @@ int tr_main(int argc ATTRIBUTE_UNUSED, char **argv)
 		if (*argv) {
 			if (argv[0][0] == '\0')
 				bb_error_msg_and_die("STRING2 cannot be empty");
-			output_length = expand(*argv, output);
-			map(vector, tr_buf, input_length, output, output_length);
+			output_length = expand(*argv, (char *)output);
+			map(vector, (unsigned char *)tr_buf, input_length, output, output_length);
 		}
 		for (i = 0; i < input_length; i++)
 			invec[(unsigned char)tr_buf[i]] = TRUE;