[packages] tcpdump: Update to v4.0.0 (closes #5656)

git-svn-id: svn://svn.openwrt.org/openwrt/packages@17210 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/tcpdump/patches/001-remove_pcap_debug.patch

@@ -1,7 +1,6 @@
-diff -urN tcpdump-3.9.8.orig/tcpdump.c tcpdump-3.9.8/tcpdump.c
---- tcpdump-3.9.8.orig/tcpdump.c	
-+++ tcpdump-3.9.8/tcpdump.c	
-@@ -765,20 +765,6 @@
+--- a/tcpdump.c
++++ b/tcpdump.c
+@@ -826,20 +826,6 @@ main(int argc, char **argv)
  				error("invalid data link type %s", gndo->ndo_dltname);
  			break;
  
@@ -19,6 +18,6 @@ diff -urN tcpdump-3.9.8.orig/tcpdump.c tcpdump-3.9.8/tcpdump.c
 -			}
 -			break;
 -#endif
- 		case 'Z':
+ 		case 'z':
  			if (optarg) {
- 				username = strdup(optarg);
+ 				zflag = strdup(optarg);