I get freeze at compiling new shelter_room_e_b.map:

<source lang="c++">Thread 1 (Thread 0x7fffefbd37c0 (LWP 27256)):
#0 0x000000000040b174 in BuildLights () at src/tools/ufo2map/lightmap.cpp:310
#1 0x00000000004054b8 in LightWorld () at src/tools/ufo2map/lighting.cpp:52
#2 0x0000000000403bff in main (argc=<optimized out>, argv=0x7fffffffd868)
at src/tools/ufo2map/ufo2map.cpp:696
(gdb) f 0
#0 0x000000000040b174 in BuildLights () at src/tools/ufo2map/lightmap.cpp:310
310 if (VectorEmpty(p->light))
(gdb) p *p
$2 = {face = 0x2f307ac <mapTiles+42925868>, winding = 0x617eae0, origin = {4,
168.585785, 11.4142132}, normal = {-0, -0.707106829, 0.707106829},
area = 135.764496, light = {0, 0, 0}, next = 0x0}
(gdb) l
308 const patch_t *p = face_patches[i];
309 while (p) { /* iterate subdivided patches */
310 if (VectorEmpty(p->light))
311 continue;
(gdb) c
Continuing.
^C
Program received signal SIGINT, Interrupt.
0x000000000040b197 in BuildLights () at src/tools/ufo2map/lightmap.cpp:310
310 if (VectorEmpty(p->light))
(gdb) p *p
$3 = {face = 0x2f307ac <mapTiles+42925868>, winding = 0x617eae0, origin = {4,
168.585785, 11.4142132}, normal = {-0, -0.707106829, 0.707106829},
area = 135.764496, light = {0, 0, 0}, next = 0x0}</source>

'''continue''' restart while-loop with same ''p''. Looks like ''p'' must change to ''p->next''.