Update docs.

doc/crypto/RAND_load_file.pod

@@ -8,7 +8,7 @@ RAND_load_file, RAND_write_file, RAND_file_name - PRNG seed file
 
  #include <openssl/rand.h>
 
- const char *RAND_file_name(char *buf, int num);
+ const char *RAND_file_name(char *buf, size_t num);
 
  int RAND_load_file(const char *filename, long max_bytes);
 

doc/crypto/rand.pod

@@ -8,17 +8,17 @@ rand - pseudo-random number generator
 
  #include <openssl/rand.h>
 
- int  RAND_bytes(unsigned char *buf,int num);
- int  RAND_pseudo_bytes(unsigned char *buf,int num);
+ int  RAND_bytes(unsigned char *buf, int num);
+ int  RAND_pseudo_bytes(unsigned char *buf, int num);
 
- void RAND_seed(const void *buf,int num);
- void RAND_add(const void *buf,int num,int entropy);
+ void RAND_seed(const void *buf, int num);
+ void RAND_add(const void *buf, int num, int entropy);
  int  RAND_status(void);
  void RAND_screen(void);
 
- int  RAND_load_file(const char *file,long max_bytes);
+ int  RAND_load_file(const char *file, long max_bytes);
  int  RAND_write_file(const char *file);
- const char *RAND_file_name(char *file,int num);
+ const char *RAND_file_name(char *file, size_t num);
 
  int  RAND_egd(const char *path);