Fixed some compiler warnings.

boot/boot.h

@@ -203,6 +203,7 @@ EXTERN char *drun;	/* Initial command from DOS command line. */
 #endif
 
 void readblock(off_t, char *, int);
+void delay(char *);
 
 /*
  * $PchId: boot.h,v 1.12 2002/02/27 19:42:45 philip Exp $

boot/rawfs.c

@@ -85,7 +85,6 @@ off_t r_super(int *bs)
 		*bs = block_size = super.s_block_size;
 		if(block_size < MIN_BLOCK_SIZE ||
 			block_size > MAX_BLOCK_SIZE) {
-			printf("bogus block size %d\n", block_size);
 			return 0;
 		}
 		nr_dzones= V2_NR_DZONES;