- error handling missing terrains

- bugfix terrain-xml

src/common/kernel/save.c

@@ -720,8 +720,8 @@ create_backup(char *file)
 {
 #ifdef HAVE_UNISTD_H
   char bfile[MAX_PATH];
-  char command[MAX_PATH*2+10];
   int c = 1;
+
   do {
     sprintf(bfile, "%s.backup%d", file, c);
     c++;
@@ -1301,6 +1301,10 @@ readregion(FILE * F, short x, short y)
     char name[64];
     rs(F, name);
     terrain = get_terrain(name);
+    if (terrain==NULL) {
+      log_error(("Unknown terrain '%s'\n", name));
+      assert(!"unknown terrain");
+    }
   }
   r->terrain = terrain;
   r->flags = (char) ri(F);

src/res/eressea/de/strings.xml

@@ -18,7 +18,7 @@
       </text>
       <text locale="de">
         Dieses Abzeichen identifiziert die Partei seines Träger offiziell
-        als einen Bescuher der Botschafterregion 'Muschelplateau'.
+        als einen Besucher der Botschafterregion 'Muschelplateau'.
       </text>
     </string>
     <string name="stardust">

src/res/terrains.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<terrains xmlns="http://tempuri.org/terrains.xsd">
+<terrains>
     <!-- defaults: walk="yes" sail="yes" fly="yes" shallow="yes" swim="no" forest="no" sea="no" land="yes" forbidden="no" arctic="no" cavalry="no" -->
     <terrain name="ocean" size="100" shallow="no" walk="no" swim="yes" land="no" sea="yes" />
     <terrain name="plain" size="10000" road="50" shallow="no" forest="yes" cavalry="yes" seed="3">