Remove memory allocation in pathfinding

engine/breeze/memory/stack_alloc.c

@@ -21,7 +21,7 @@ void bzStackAllocDestroy(BzStackAlloc *alloc) {
 }
 
 void *bzStackAlloc(BzStackAlloc *alloc, size_t numBytes) {
-    BZ_ASSERT(alloc->size + numBytes < alloc->size);
+    BZ_ASSERT(alloc->allocated + numBytes < alloc->size);
     void *allocated = (u8 *) alloc->memory + alloc->allocated;
     alloc->allocated += numBytes;
     return allocated;