Index: lib/genrand.c
===================================================================
--- lib/genrand.c	(revision 9284)
+++ lib/genrand.c	(working copy)
@@ -211,7 +211,7 @@
  Interface to the (hopefully) good crypto random number generator.
 ********************************************************************/
 
-void generate_random_buffer( unsigned char *out, int len)
+void generate_random_buffer( void *out, size_t len)
 {
 	static int urand_fd = -1;
 	unsigned char md4_buf[64];