ip utils: move includes to implementation

Change-Id: Ic7745c129827bc33062d5b428fe9e376a1b22b59

src/ip_utils.cpp

@@ -37,6 +37,14 @@
 #ifdef _WIN32
 #define InetPtonA inet_pton
 WINSOCK_API_LINKAGE INT WSAAPI InetPtonA(INT Family, LPCSTR pStringBuf, PVOID pAddr);
+#else
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+#include <netdb.h>
+#include <netinet/ip.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
 #endif
 
 #ifndef HOST_NAME_MAX

src/ip_utils.h

@@ -45,14 +45,8 @@ extern "C" {
     #undef interface
     #endif
 #else
-    #include <arpa/inet.h>
-    #include <netinet/in.h>
-    #include <arpa/nameser.h>
-    #include <resolv.h>
-    #include <netdb.h>
-    #include <netinet/ip.h>
-    #include <net/if.h>
-    #include <sys/ioctl.h>
+   #include <sys/socket.h>
+   #include <netinet/in.h>
 #endif
 
 #include <string>