more code policing to stop warnings when built with -W -Wall

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17048 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 3 insertions, 3 deletions

diff --git a/tools/creative.c b/tools/creative.c
index 6e0e468411..5b8f15abc0 100644
--- a/tools/creative.c
+++ b/tools/creative.c
@@ -52,7 +52,7 @@ extern unsigned int le2int(unsigned char* buf);
 static int make_ciff_file(unsigned char *inbuf, int length,
                           unsigned char *outbuf, int device)
 {
-    char key[20];
+    unsigned char key[20];
     memcpy(outbuf, "FFIC", 4);
     int2le(length+90, &outbuf[4]);
     memcpy(&outbuf[8], "FNIC", 4);
@@ -68,8 +68,8 @@ static int make_ciff_file(unsigned char *inbuf, int length,
     memcpy(&outbuf[0x98+length], "LLUN", 4);
     int2le(20, &outbuf[0x98+length+4]);
     /* Do checksum */
-    hmac_sha((char *)devices[device].null, strlen(devices[device].null),
-             (char *)outbuf, 0x98+length, key, 20);
+    hmac_sha((unsigned char *)devices[device].null, strlen(devices[device].null),
+             outbuf, 0x98+length, key, 20);
     memcpy(&outbuf[0x98+length+8], key, 20);
     return length+0x90+0x1C+8;
 }