Merge branch 'vendor/LIBPCAP'

diff --cc contrib/libpcap/bpf/net/bpf_filter.c
Simple merge

diff --cc contrib/libpcap/gencode.c
Simple merge

diff --cc contrib/libpcap/grammar.y
Simple merge

diff --cc contrib/libpcap/pcap/pcap.h
Simple merge

diff --cc contrib/libpcap/scanner.l
index f2d0d80,064e9c8..2676710
--- 1/contrib/libpcap/scanner.l
--- 2/contrib/libpcap/scanner.l
+++ b/contrib/libpcap/scanner.l
@@@ -63,11 -77,11 +77,12 @@@ static int stoi(char *)
  static inline int xdtoi(int);
  
  #ifdef FLEX_SCANNER
+ #define YY_NO_INPUT
  #define YY_NO_UNPUT
 +#define YY_NO_INPUT
  static YY_BUFFER_STATE in_buffer;
  #else
- static char *in_buffer;
+ static const char *in_buffer;
  
  #undef getc
  #define getc(fp)  (*in_buffer == 0 ? EOF : *in_buffer++)