Transparent example segfaults on OS X

[jdm]

Process 4057 launched: '/Users/jdm/src/glutin/target/debug/examples/transparent' (x86_64)
2015-09-28 12:05:39.778 transparent[4057:d0b] -[NSWindow setTitleVisibility:]: unrecognized selector sent to instance 0x1006071c0
Process 4057 stopped
* thread #1: tid = 0x249e6, 0x000000010003579d transparent`rt::lang_start::h136aeed49f9e07e9OTw + 1021, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
    frame #0: 0x000000010003579d transparent`rt::lang_start::h136aeed49f9e07e9OTw + 1021
transparent`rt::lang_start::h136aeed49f9e07e9OTw + 1021:
-> 0x10003579d:  callq  *(%rbx)
   0x10003579f:  movq   0x8(%rbx), %rsi
   0x1000357a3:  testq  %rsi, %rsi
   0x1000357a6:  je     0x1000357b4               ; rt::lang_start::h136aeed49f9e07e9OTw + 1044
(lldb) bt
* thread #1: tid = 0x249e6, 0x000000010003579d transparent`rt::lang_start::h136aeed49f9e07e9OTw + 1021, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
  * frame #0: 0x000000010003579d transparent`rt::lang_start::h136aeed49f9e07e9OTw + 1021
    frame #1: 0x000000010000b8ba transparent`main + 42
    frame #2: 0x00007fff976285fd libdyld.dylib`start + 1
(lldb)

[fkaa]

Probably using <10.10, we should add a check for this before trying to set things to transparent.

[jdm]

Yes, I'm on 10.9.5.

[tomaka]

Closing for rust-windowing/winit#57