- Changed the used random function pointer to more flexible format. Renamed havege_rand() to havege_random() to prevent mistakes. Lots of changes as a consequence in library code and programs

diff --git a/programs/pkey/rsa_encrypt.c b/programs/pkey/rsa_encrypt.c
index 0b54a17..63e2f13 100644
--- a/programs/pkey/rsa_encrypt.c
+++ b/programs/pkey/rsa_encrypt.c
@@ -110,7 +110,7 @@
     printf( "\n  . Generating the RSA encrypted value" );
     fflush( stdout );
 
-    if( ( ret = rsa_pkcs1_encrypt( &rsa, havege_rand, &hs, RSA_PUBLIC, strlen( argv[1] ), input, buf ) ) != 0 )
+    if( ( ret = rsa_pkcs1_encrypt( &rsa, havege_random, &hs, RSA_PUBLIC, strlen( argv[1] ), input, buf ) ) != 0 )
     {
         printf( " failed\n  ! rsa_pkcs1_encrypt returned %d\n\n", ret );
         goto exit;