Fix prototype of random() and move to stdlib.h

src/core/misc.c

 
 #include "etherboot.h"
 #include "console.h"
+#include <stdlib.h>
 
 /**************************************************************************
 IPCHKSUM - Checksum IP Header
 /**************************************************************************
 RANDOM - compute a random number between 0 and 2147483647L or 2147483562?
 **************************************************************************/
-int32_t random(void)
+long int random(void)
 {
 	static int32_t seed = 0;
 	int32_t q;

src/include/etherboot.h

 #define RAND_MAX 2147483647L
 extern uint16_t ipchksum P((const void *ip, unsigned long len));
 extern uint16_t add_ipchksums P((unsigned long offset, uint16_t sum, uint16_t new));
-extern int32_t random P((void));
 extern long rfc2131_sleep_interval P((long base, int exp));
 extern void cleanup P((void));
 

src/include/stdlib.h

 extern void * malloc ( size_t size );
 extern void free ( void *ptr );
 extern int system ( const char *command );
+extern long int random ( void );
 
 /**
  * Allocate cleared memory