ShowImage crashes when opening an image

[humdinger]

This is hrev39308.

After jamming ShowImage of a hrev39326 trunk under Haiku:

[tcsetpgrp failed in terminal_inferior: Invalid Argument]
Thread 567 caused an exception: Segment violation
   [... snip...]
[tcsetpgrp failed in terminal_inferior: Invalid Argument]
[Switching to team /HiQ-Data/source/haiku/trunk/generated/objects/haiku/x86/releas (557) thread w> (567)]
0x002ffa3b in BBitmap::Bounds () from /boot/system/lib/libbe.so
(gdb) bt
#0  0x002ffa3b in BBitmap::Bounds () from /boot/system/lib/libbe.so
#1  0x0021eee2 in ShowImageView::_ShouldStretch ()
#2  0x00220279 in ShowImageView::FrameResized ()
#3  0x00399aeb in BView::MessageReceived () from /boot/system/lib/libbe.so
#4  0x002216fa in ShowImageView::MessageReceived ()
#5  0x002e2348 in BLooper::DispatchMessage () from /boot/system/lib/libbe.so
#6  0x003a4dac in BWindow::DispatchMessage () from /boot/system/lib/libbe.so
#7  0x003a06b1 in BWindow::task_looper () from /boot/system/lib/libbe.so
#8  0x002e3baa in BLooper::_task0_ () from /boot/system/lib/libbe.so
#9  0x0076491c in thread_entry () from /boot/system/lib/libroot.so
#10 0x780c1fec in ?? ()

[axeld]

Fixed in hrev39364.