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.c b/dbrandom.c
index cf280f4..02e7803 100644
--- a/dbrandom.c
+++ b/dbrandom.c
@@ -141,7 +141,7 @@ out:
 	return ret;
 }
 
-void addrandom(char * buf, unsigned int len)
+void addrandom(unsigned char * buf, unsigned int len)
 {
 	hash_state hs;