[trivial PATCH 15/22] [otp_rlm.c] eliminate build warnings

[Wang Tinggong]

Signed-off-by: Wang Tinggong <wangtinggong at gmail.com>
---
 src/modules/rlm_otp/otp_rlm.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/modules/rlm_otp/otp_rlm.c b/src/modules/rlm_otp/otp_rlm.c
index 2de71d2..11c692f 100644
--- a/src/modules/rlm_otp/otp_rlm.c
+++ b/src/modules/rlm_otp/otp_rlm.c
@@ -242,8 +242,9 @@ otp_authorize(void *instance, REQUEST *request)
     int32_t now = htonl(time(NULL));	/* low-order 32 bits on LP64 */
     char state[OTP_MAX_RADSTATE_LEN];
 
-    if (otp_gen_state(state, NULL, challenge, inst->challenge_len, 0,
-                      now, hmac_key) != 0) {
+    if (otp_gen_state(state, NULL, (unsigned char*)challenge,
+				inst->challenge_len, 0,
+				now, hmac_key) != 0) {
       (void) radlog(L_ERR, "rlm_otp: %s: failed to generate radstate",__func__);
       return RLM_MODULE_FAIL;
     }
@@ -318,7 +319,7 @@ otp_authenticate(void *instance, REQUEST *request)
     unsigned char	raw_state[OTP_MAX_RADSTATE_LEN];
     unsigned char	rad_state[OTP_MAX_RADSTATE_LEN];
     int32_t		then;		/* state timestamp       */
-    int			e_length;	/* expected State length */
+    unsigned int	e_length;	/* expected State length */
 
     /* set expected State length */
     e_length = inst->challenge_len * 2 + 8 + 8 + 32; /* see otp_gen_state() */
-- 
1.6.0.6