leak: free per-locale cached order data (has additional refcount)

src/kernel/order.c

@@ -267,6 +267,13 @@ static void free_localedata(int lindex) {
     locale_array[lindex]->lang = 0;
 }
 
+void close_orders(void) {
+    int i;
+    for (i = 0; i != MAXLOCALES; ++i) {
+        if (locale_array[i]) free_localedata(i);
+    }
+}
+
 static order *create_order_i(keyword_t kwd, const char *sptr, bool persistent,
     const struct locale *lang)
 {

src/kernel/order.h

@@ -61,6 +61,8 @@ extern "C" {
     char *write_order(const order * ord, char *buffer, size_t size);
     keyword_t init_order(const struct order *ord);
 
+    void close_orders(void);
+
 #ifdef __cplusplus
 }
 #endif

src/tests.c

@@ -9,6 +9,7 @@
 #include <kernel/terrain.h>
 #include <kernel/item.h>
 #include <kernel/unit.h>
+#include <kernel/order.h>
 #include <kernel/race.h>
 #include <kernel/faction.h>
 #include <kernel/building.h>
@@ -79,6 +80,7 @@ void test_cleanup(void)
     global.functions.wage = NULL;
     free_params(&global.parameters);
     default_locale = 0;
+    close_orders();
     free_locales();
     free_spells();
     free_buildingtypes();