x86/boot: Close opened file descriptor

During build we open a file, read that but do not close it. Fix
that by sticking fclose() at the right place.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: http://lkml.kernel.org/r/1371628383-11216-1-git-send-email-jslaby@suse.czSigned-off-by: Ingo Molnar <mingo@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org

arch/x86/boot/tools/build.c

@@ -243,6 +243,7 @@ static void parse_zoffset(char *fname)
 	c = fread(buf, 1, sizeof(buf) - 1, file);
 	if (ferror(file))
 		die("read-error on `zoffset.h'");
+	fclose(file);
 	buf[c] = 0;
 
 	p = (char *)buf;