[core] include <netdb.h> where needed

include <netdb.h> in files which use getaddrinfo()
  instead of exposing header in local header "sys-socket.h"

src/http-header-glue.c

@@ -15,6 +15,11 @@
 
 #include <time.h>
 
+#include "sys-socket.h"
+#ifndef _WIN32
+#include <netdb.h>
+#endif
+
 /*
  * This was 'borrowed' from tcpdump.
  *

src/mod_extforward.c

@@ -8,11 +8,15 @@
 
 #include "configfile.h"
 
-#include "sys-socket.h"
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
 
+#include "sys-socket.h"
+#ifndef _WIN32
+#include <netdb.h>
+#endif
+
 /**
  * mod_extforward.c for lighttpd, by comman.kang <at> gmail <dot> com
  *                  extended, modified by Lionel Elie Mamane (LEM), lionel <at> mamane <dot> lu

src/network.c

@@ -11,6 +11,9 @@
 #include "network_backends.h"
 #include "sys-mmap.h"
 #include "sys-socket.h"
+#ifndef _WIN32
+#include <netdb.h>
+#endif
 
 #include <sys/types.h>
 #include <sys/stat.h>

src/sys-socket.h

@@ -16,9 +16,6 @@
 #include <netinet/tcp.h>
 #include <sys/un.h>
 #include <arpa/inet.h>
-
-#include <netdb.h>
-
 #endif
 
 #endif