log-pcap: don't limit snaplen.

src/log-pcap.c

@@ -293,7 +293,7 @@ TmEcode PcapLog (ThreadVars *t, Packet *p, void *data, PacketQueue *pq,
         SCLogDebug("Setting pcap-log link type to %u", p->datalink);
 
         if ((pl->pcap_dead_handle = pcap_open_dead(p->datalink,
-                                                   LIBPCAP_SNAPLEN)) == NULL) {
+                                                   -1)) == NULL) {
             SCLogDebug("Error opening dead pcap handle");
 
             SCMutexUnlock(&pl->plog_lock);

src/source-pcap.h

@@ -32,8 +32,6 @@ int PcapLiveRegisterDevice(char *);
 int PcapLiveGetDeviceCount(void);
 char *PcapLiveGetDevice(int);
 
-/* XXX replace with user configurable options */
-#define LIBPCAP_SNAPLEN     1518
 #define LIBPCAP_COPYWAIT    500
 #define LIBPCAP_PROMISC     1