--- freeciv-2.3.0/common/nation.h	Mon Aug  8 06:20:40 2011
+++ freeciv-2.3.0/common/nation.h	Fri Oct 21 10:46:02 2011
@@ -125,7 +125,7 @@
 
     struct {
       /* Only used at the client. */
-      /* Nothing yet. */
+      int i; /* Nothing yet. */
     } client;
   };
 };
--- freeciv-2.3.0/common/map.h	Mon Aug  8 06:20:40 2011
+++ freeciv-2.3.0/common/map.h	Fri Oct 21 10:46:33 2011
@@ -82,7 +82,7 @@
 
   union {
     struct {
-      /* Nothing yet. */
+      int i; /* Nothing yet. */
     } client;
 
     struct {
--- freeciv-2.3.0/common/game.h	Mon Aug  8 06:20:40 2011
+++ freeciv-2.3.0/common/game.h	Fri Oct 21 10:46:51 2011
@@ -71,7 +71,7 @@
     struct {
       /* Only used at the client (./client/). */
 
-      /* Nothing yet. */
+      int i; /* Nothing yet. */
     } client;
 
     struct {
--- freeciv-2.3.0/common/nation.c	Mon Aug  8 06:20:40 2011
+++ freeciv-2.3.0/common/nation.c	Fri Oct 21 10:47:44 2011
@@ -49,7 +49,7 @@
 
     struct {
       /* Only used at the client. */
-      /* Nothing yet. */
+      int i; /* Nothing yet. */
     } client;
   };
 };