Remove a piece of dead code from chipmunk.

This seems to be the only piece of code in the entire ports tree which
uses getpw(3) and it seems to be dead code anyway.

Approved by:	beat
Feature safe:	yes

cad/chipmunk/Makefile

@@ -7,7 +7,7 @@
 
 PORTNAME=	chipmunk
 PORTVERSION=	5.64
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	cad
 MASTER_SITES=	http://www.cs.berkeley.edu/~lazzaro/chipmunk/pickup/sources/
 DISTFILES=	psys-1.59.tar.gz log-5.64.tar.gz netcmp-1.13.tar.gz \

cad/chipmunk/files/patch-netcmp-main.c

@@ -0,0 +1,19 @@
+--- netcmp/main.c
++++ netcmp/main.c
+@@ -122,16 +122,6 @@
+ 
+   outfyle = NULL;
+   while (outfyle == NULL) {
+-      char username[100];
+-      char *tmp;
+-
+-#if defined(freebsd)
+-      getpwuid(getuid(), username);
+-#else
+-      getpw(getuid(), username);
+-#endif
+-      tmp = strchr(username,':');
+-      if (tmp != NULL) *tmp = '\0';
+       printf("  Enter output file name [info]: ");
+       fgets(command, 81, stdin);
+       TEMP = strchr(command, '\n');