Move dns.h include to unrealircd.h and remove it elsewhere.

Because I need c-ares prototypes in modules.h, for next commit.
[skip ci]

include/dns.h

@@ -1,7 +1,3 @@
-/* OMG... OMG! WHAT AN INCLUDE HORROR !!! */
-#include <ares.h>
-#include <ares_version.h>
-
 typedef enum {
 	DNSREQ_CLIENT = 1,
 	DNSREQ_LINKCONF = 2,

include/struct.h

@@ -43,6 +43,8 @@
 #include <openssl/x509v3.h>
 #endif
 #include <jansson.h>
+#include <ares.h>
+#include <ares_version.h>
 #include "common.h"
 #include "sys.h"
 #include <stdio.h>

include/unrealircd.h

@@ -30,6 +30,7 @@
 #include <fcntl.h>
 #include <signal.h>
 #include "h.h"
+#include "dns.h"
 #include "version.h"
 #ifdef USE_LIBCURL
  #include <curl/curl.h>

src/dns.c

@@ -19,7 +19,6 @@
  */
 
 #include "unrealircd.h"
-#include "dns.h"
 
 #if !defined(UNREAL_VERSION_TIME)
  #error "YOU MUST RUN ./Config WHENEVER YOU ARE UPGRADING UNREAL!!!!"

src/modules/blacklist.c

@@ -18,7 +18,6 @@
  */
 
 #include "unrealircd.h"
-#include "dns.h"
 
 ModuleHeader MOD_HEADER
 = {

src/modules/rpc/rpc.c

@@ -5,7 +5,6 @@
  */
    
 #include "unrealircd.h"
-#include "dns.h"
 
 ModuleHeader MOD_HEADER
   = {

src/modules/webserver.c

@@ -5,7 +5,6 @@
  */
    
 #include "unrealircd.h"
-#include "dns.h"
 
 ModuleHeader MOD_HEADER
   = {

src/modules/websocket.c

@@ -6,7 +6,6 @@
  */
    
 #include "unrealircd.h"
-#include "dns.h"
 
 #define WEBSOCKET_VERSION "1.1.0"
 

src/socket.c

@@ -26,7 +26,6 @@
  */
 
 #include "unrealircd.h"
-#include "dns.h"
 
 int OpenFiles = 0;    /* GLOBAL - number of files currently open */
 int readcalls = 0;

src/url_curl.c

@@ -20,7 +20,6 @@
  */
 
 #include "unrealircd.h"
-#include "dns.h"
 
 extern char *TLSKeyPasswd;
 

src/url_unreal.c

@@ -18,7 +18,6 @@
  */
 
 #include "unrealircd.h"
-#include "dns.h"
 
 /* Structs */