missing struct declarations in curse.h

remove config.h from spells and curses.

src/kernel/curse.h

@@ -30,6 +30,8 @@ extern "C" {
     struct curse_type;
     struct gamedata;
     struct storage;
+    struct attrib;
+    struct faction;
 
     /* Sprueche in der struct region und auf Einheiten, Schiffen oder Burgen
      * (struct attribute)

src/spells/buildingcurse.c

@@ -12,7 +12,6 @@
  */
 
 #include <platform.h>
-#include <kernel/config.h>
 #include "buildingcurse.h"
 
 /* kernel includes */

src/spells/magicresistance.c

@@ -1,5 +1,4 @@
 #include <platform.h>
-#include <kernel/config.h>
 #include <kernel/curse.h>
 #include <kernel/messages.h>
 #include <util/language.h>

src/spells/magicresistance.test.c

@@ -1,5 +1,4 @@
 #include <platform.h>
-#include <kernel/config.h>
 #include <kernel/curse.h>
 #include <kernel/building.h>
 #include <kernel/faction.h>

src/spells/regioncurse.c

@@ -12,7 +12,6 @@
  */
 
 #include <platform.h>
-#include <kernel/config.h>
 #include "regioncurse.h"
 #include "magic.h"
 
@@ -50,7 +49,7 @@ static message *cinfo_cursed_by_the_gods(const void *obj, objtype_t typ,
     unused_arg(self);
     assert(typ == TYP_REGION);
 
-    if (fval(r->terrain, SEA_REGION)) {
+    if (r->terrain->flags & SEA_REGION) {
         return msg_message("curseinfo::godcurseocean", "id", c->no);
     }
     return msg_message("curseinfo::godcurse", "id", c->no);

src/spells/shipcurse.c

@@ -12,7 +12,6 @@
  */
 
 #include <platform.h>
-#include <kernel/config.h>
 #include "shipcurse.h"
 
 /* kernel includes */

src/spells/unitcurse.c

@@ -12,7 +12,6 @@
  */
 
 #include <platform.h>
-#include <kernel/config.h>
 #include "unitcurse.h"
 
 /* kernel includes */