[lib] Fix #includes for OpenBSD

libowlps now builds on OpenBSD (4.9)!

libowlps/libowlps.c

@@ -13,6 +13,8 @@
 #include <time.h>
 #include <signal.h>
 
+#include <arpa/inet.h>
+
 #include <assert.h>
 
 #define DEBUG

libowlps/owlps.h

@@ -11,8 +11,12 @@ extern "C" {
 
 
 #include <stdint.h> // We'll use <cstdint> with C++ 0x
-#include <arpa/inet.h>
-#include <net/ethernet.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
 
 
 // Port on which the positioning request is sent by the mobile:

owlps-aggregator/owlps-aggregatord.c

@@ -13,6 +13,7 @@
 #include <signal.h>
 #include <pthread.h>
 #include <semaphore.h>
+#include <arpa/inet.h>
 
 #include <confuse.h>
 

owlps-listener/owlps-listenerd.c

@@ -28,6 +28,7 @@
 // Used by get_mac_addr():
 #include <netinet/udp.h>
 #include <netinet/ip.h>
+#include <arpa/inet.h>
 
 #include <assert.h>