Fix build on OSVERSION prior to 701101

Notified by:	pav (pointyhat)

net/httping/Makefile

@@ -25,6 +25,8 @@ PLIST_FILES=	bin/httping
 
 .if(${OSVERSION} >= 701101)
 CFLAGS+=	-D_GNU_SOURCE
+.else
+EXTRA_PATCHES=	${FILESDIR}/extrapatch-mssl.c
 .endif
 
 do-install:

net/httping/files/extrapatch-mssl.c

@@ -0,0 +1,20 @@
+--- ./mssl.c.orig	2010-07-31 15:40:14.760757000 +0200
++++ ./mssl.c	2010-07-31 15:40:31.439062000 +0200
+@@ -28,6 +28,17 @@
+ extern char last_error[];
+ BIO *bio_err=0;
+ 
++char * strndup(const char *str, size_t len){
++        size_t l=strlen(str);
++        char *r;
++        if(len<l){
++                l=len;
++        }
++        r=malloc(l);
++        memcpy(r, str, l);
++        return r;
++}
++
+ char close_ssl_connection(SSL *ssl_h, int socket_h)
+ {
+ 	int rc = SSL_shutdown(ssl_h);