[krbdev.mit.edu #3914] krb5-1.5: fix warnings in lib/crypto/dk/

[Public Submitter via RT]

warning fix for:
derive.c:63: warning: pointer targets in assignment differ in 
signedness
derive.c:66: warning: pointer targets in assignment differ in 
signedness
derive.c:75: warning: pointer targets in passing argument 2 of 
'krb5_nfold' differ in signedness
derive.c:75: warning: pointer targets in passing argument 4 of 
'krb5_nfold' differ in signedness
derive.c:96: warning: pointer targets in assignment differ in 
signedness
derive.c: In function 'krb5_derive_random':
derive.c:148: warning: pointer targets in assignment differ in 
signedness
derive.c:151: warning: pointer targets in assignment differ in 
signedness
derive.c:160: warning: pointer targets in passing argument 2 of 
'krb5_nfold' differ in signedness
derive.c:160: warning: pointer targets in passing argument 4 of 
'krb5_nfold' differ in signedness

dk_decrypt.c:153: warning: pointer targets in assignment differ in 
signedness
dk_encrypt.c: In function 'krb5_dk_encrypt':
dk_encrypt.c:98: warning: pointer targets in assignment differ in 
signedness
dk_encrypt.c:119: warning: pointer targets in assignment differ in 
signedness
dk_encrypt.c:132: warning: pointer targets in assignment differ in 
signedness
dk_encrypt.c:141: warning: pointer targets in assignment differ in 
signedness
dk_encrypt.c: In function 'krb5int_aes_dk_encrypt':
dk_encrypt.c:263: warning: pointer targets in assignment differ in 
signedness
dk_encrypt.c:284: warning: pointer targets in assignment differ in 
signedness
dk_encrypt.c:298: warning: pointer targets in assignment differ in 
signedness
dk_encrypt.c:308: warning: pointer targets in assignment differ in 
signedness