fixed some crashes on out_of_bounds

geometry2.cpp

@@ -278,6 +278,7 @@ void virtualRebase_cell(cell*& base, T& at, const U& check) {
   while(true) {
     cell *newbase = NULL;
     forCellIdCM(c2, i, base) {
+      if(c2 == &out_of_bounds) continue;
       transmatrix V2 = currentmap->iadj(base, i);
       T cand_at = V2 * at;
       horo_distance newz(check(cand_at));

pcmove.cpp

@@ -634,6 +634,7 @@ bool pcmove::actual_move() {
 
   mi = movei(cwt.at, d);
   cell *& c2 = mi.t;
+  if(c2 == &out_of_bounds) return false;
   good_tortoise = c2->monst == moTortoise && tortoise::seek() && !tortoise::diff(tortoise::getb(c2)) && !c2->item;
   
   if(items[itOrbGravity]) {