Pets avoid a possible boulder pushing location in Sokoban

src/dogmove.c

@@ -1148,6 +1148,8 @@ dog_move(
         /* avoid a location hero just kicked */
         if (m_avoid_kicked_loc(mtmp, nx, ny))
             continue;
+        if (m_avoid_soko_push_loc(mtmp, nx, ny))
+            continue;
 
         {
             /* Dog avoids harmful traps, but perhaps it has to pass one