crash in vesa_get_accelerant_clone_info()

[kaliber]

Many of Allegro graphics library examples are crashing:

(gdb) bt
#0  0x008c39a5 in vesa_get_accelerant_clone_info ()
   from /boot/beos/system/add-ons/accelerants/vesa.accelerant
#1  0x005f3109 in BWindowScreen::_InitClone ()
   from /boot/beos/system/lib/libgame.so
#2  0x005f289d in BWindowScreen::_SetupAccelerantHooks ()
   from /boot/beos/system/lib/libgame.so
#3  0x005f2649 in BWindowScreen::_Activate ()
   from /boot/beos/system/lib/libgame.so
#4  0x005f194e in BWindowScreen::WindowActivated ()
   from /boot/beos/system/lib/libgame.so
#5  0x004ef026 in BWindow::DispatchMessage ()
   from /boot/beos/system/lib/libbe.so
#6  0x004f3910 in BWindow::task_looper () from /boot/beos/system/lib/libbe.so
#7  0x004492c3 in BLooper::_task0_ () from /boot/beos/system/lib/libbe.so
#8  0x0071e89c in thread_entry () from /boot/beos/system/lib/libroot.so
#9  0x70143fec in ?? ()

[axeld]

Fixed in hrev28534.