games/slump: Jettison byteswap/endian hacks

- Make the OSVERSION conditionals simpler

games/slump/Makefile

@@ -20,7 +20,7 @@ OPTIONS_DEFINE=	DOCS
 
 .include <bsd.port.options.mk>
 
-.if ${OPSYS} == FreeBSD && ( ${OSVERSION} >= 1400079 || ( ${OSVERSION} >= 1302505 && ${OSVERSION} < 1400000 ))
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1302505
 CFLAGS+=	-Wno-error=int-conversion
 .endif
 

games/slump/files/patch-dump.c

@@ -1,15 +0,0 @@
---- ./dump.c.orig	Sun May 29 23:48:57 2005
-+++ ./dump.c	Mon Oct  9 23:53:07 2006
-@@ -36,6 +36,12 @@
- #include <assert.h>
- #include "slump.h"
- 
-+#include <machine/endian.h>
-+
-+#if BYTE_ORDER == BIG_ENDIAN
-+#define ENDIAN_BIG
-+#endif
-+
- /* Global variables */
- 
- extern int current_level_number;