bootstrap: Check result of fread

Removes -Wunused-result warning.

Signed-off-by: Amadeusz Sławiński <amade@asmblr.net>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

kernel/bootstrap.c

diff --git a/kernel/bootstrap.c b/kernel/bootstrap.c
index b7658ab..9bc94bb 100644
--- a/kernel/bootstrap.c
+++ b/kernel/bootstrap.c
@@ -1004,7 +1004,11 @@
         if (verbose) {
                 printk("\nEncoding %s [%d bytes]\n", name, size );
         }
-	fread( dict + dicthead, size, 1, file );
+	if (fread( dict + dicthead, size, 1, file ) != 1) {
+		printk("panic: Can't read dictionary.\n");
+		fclose(file);
+		exit(1);
+	}
 	PUSH( pointer2cell(dict + dicthead) );
 	PUSH( size );
 	dicthead += size;