Turn addrandom()'s buf argument into unsigned char *

Data is usually represented as "unsigned char *" like genrandom().

1 files changed, 1 insertions, 1 deletions

diff --git a/dbrandom.h b/dbrandom.h
index 3434f69..6e262f3 100644
--- a/dbrandom.h
+++ b/dbrandom.h
@@ -29,7 +29,7 @@
 
 void seedrandom();
 void genrandom(unsigned char* buf, unsigned int len);
-void addrandom(char * buf, unsigned int len);
+void addrandom(unsigned char * buf, unsigned int len);
 void gen_random_mpint(mp_int *max, mp_int *rand);
 
 #endif /* DROPBEAR_RANDOM_H_ */