[Freeciv-Dev] (PR#4696) Memory leak in nation.c

["mateusz stefek" <matusik_s@xxxxx>]

Nations' classes and legends aren't freed after disconnecting from the 
server.

This patch adds missing free()'s into nation.c


--
mateusz

--- freeorig/common/nation.c    2003-04-05 08:06:54.000000000 +0200
+++ freeciv/common/nation.c     2003-07-25 20:43:45.000000000 +0200
@@ -215,6 +215,16 @@
     free(p->leaders);
     p->leaders = NULL;
   }
+  
+  if (p->class) {
+    free(p->class);
+    p->class = NULL;
+  }
+  
+  if (p->legend) {
+    free(p->legend);
+    p->legend = NULL;
+  }
 
   nation_city_names_free(p->city_names);
   p->city_names = NULL;