fix build on Linux

x11/xp/distinfo

@@ -1,10 +1,10 @@
-$NetBSD: distinfo,v 1.6 2015/11/04 03:29:10 agc Exp $
+$NetBSD: distinfo,v 1.7 2016/03/09 06:52:02 tnn Exp $
 
 SHA1 (xp-1.2b10.tar.gz) = 70b232966ee2483ceb8f0ae8f0ef0cf7b899104b
 RMD160 (xp-1.2b10.tar.gz) = 035f6f7dd3143e220ab454388d1632788e9e2bd3
 SHA512 (xp-1.2b10.tar.gz) = 6c45b91dccdf1a9dc5b836f7ed38a3abd5e309671c19011b0d3d3333049071ec3236bc531a1fada919ca7c43c54f48802b51644971d864860e1250f969073cae
 Size (xp-1.2b10.tar.gz) = 43036 bytes
-SHA1 (patch-aa) = 0d6fa753ff8010ba6264b0bfc19e44c3a5f723ce
-SHA1 (patch-ab) = 62b440dd9e5ee419113589d3758a1a6bcba35f5d
+SHA1 (patch-ab) = 770f89ca133df9827370caf47280815d9923d52c
 SHA1 (patch-ac) = 4451ed9962f98c2dbaae4c4dcd2a3d0e369a72d6
 SHA1 (patch-ad) = 40cba728947de06e1fb118527a940b9cdea4fb48
+SHA1 (patch-readfile.c) = d72c2c0f2fd0d21ff8c73e134ea9080e0966d68d

x11/xp/patches/patch-ab

@@ -1,23 +1,22 @@
-$NetBSD: patch-ab,v 1.1.1.1 1999/08/13 19:35:45 tron Exp $
+$NetBSD: patch-ab,v 1.2 2016/03/09 06:52:02 tnn Exp $
 
---- utils.c.orig	Thu Feb 11 13:44:15 1999
-+++ utils.c	Fri Aug 13 21:30:56 1999
-@@ -1,13 +1,18 @@
+It's 2016. Everyone has strerror.
+
+--- utils.c.orig	1999-02-11 12:44:15.000000000 +0000
++++ utils.c
+@@ -1,13 +1,8 @@
  #include <errno.h>
+-#define NULL 0
 +#include <string.h>
- #define NULL 0
  
  
  char *
  uerror() {
-+#ifdef HAS_STRERROR
+-	extern int sys_nerr;
+-	extern char *sys_errlist[];
+-	if (errno > sys_nerr)
+-	    return NULL;
+-	else
+-	    return sys_errlist[errno];
 +	return strerror(errno);
-+#else
- 	extern int sys_nerr;
- 	extern char *sys_errlist[];
- 	if (errno > sys_nerr)
- 	    return NULL;
- 	else
- 	    return sys_errlist[errno];
-+#endif
  }

x11/xp/patches/patch-readfile.c

@@ -0,0 +1,16 @@
+$NetBSD: patch-readfile.c,v 1.1 2016/03/09 06:52:02 tnn Exp $
+
+use proper malloc prototypes
+
+--- readfile.c.orig	1999-02-11 10:34:04.000000000 +0000
++++ readfile.c
+@@ -34,8 +34,7 @@
+ #include <X11/Xos.h>			/* get types.h */
+ #include <sys/stat.h>
+ 
+-extern char *malloc();
+-extern char *realloc();
++#include <stdlib.h>
+ 
+ /*
+  * readinlump - read data from a file into a single buffer in 1 go