In hrev58436 64 bit broken filedialogs "Open file"

[kim1963]

Tested in Telegram_desktop, Falkon and IceWeasel : menu "Open file" - select catalog - open catalog - crash

	thread 1018: w>Open file... 
		state: Exception (Segment violation)

		Frame		IP			Function Name
		-----------------------------------------------
		0x7f93ac40d440	0x64d2df0f4	BPrivate::BPose::WidgetFor(unsigned int, int*) const + 0x44 
			Disassembly:
				BPrivate::BPose::WidgetFor(unsigned int, int*) const:
				0x000000064d2df0b0:               55  push %rbp
				0x000000064d2df0b1:           4889e5  mov %rsp, %rbp
				0x000000064d2df0b4:             4157  push %r15
				0x000000064d2df0b6:             4156  push %r14
				0x000000064d2df0b8:           4989d6  mov %rdx, %r14
				0x000000064d2df0bb:             4155  push %r13
				0x000000064d2df0bd:           4189f5  mov %esi, %r13d
				0x000000064d2df0c0:             4154  push %r12
				0x000000064d2df0c2:               53  push %rbx
				0x000000064d2df0c3:         488d5f10  lea 0x10(%rdi), %rbx
				0x000000064d2df0c7:           4889df  mov %rbx, %rdi
				0x000000064d2df0ca:         4883ec08  sub $0x8, %rsp
				0x000000064d2df0ce:       e8ed3ff9ff  call 0x64d2730c0
				0x000000064d2df0d3:             85c0  test %eax, %eax
				0x000000064d2df0d5:             7e41  jle 0x64d2df118
				0x000000064d2df0d7:           4189c4  mov %eax, %r12d
				0x000000064d2df0da:           4531ff  xor %r15d, %r15d
				0x000000064d2df0dd:             eb0a  jmp 0x64d2df0e9
				0x000000064d2df0df:               90  nop
				0x000000064d2df0e0:         4183c701  add $0x1, %r15d
				0x000000064d2df0e4:           4539e7  cmp %r12d, %r15d
				0x000000064d2df0e7:             742f  jz 0x64d2df118
				0x000000064d2df0e9:           4489fe  mov %r15d, %esi
				0x000000064d2df0ec:           4889df  mov %rbx, %rdi
				0x000000064d2df0ef:       e84c3ff9ff  call 0x64d273040
				0x000000064d2df0f4:         443b6810  cmpl 0x10(%rax), %r13d <--

			Frame memory:
				[0x7f93ac40d400]  (.@.......@.....   28 d4 40 ac 93 7f 00 00 e0 d4 40 ac 93 7f 00 00
				[0x7f93ac40d410]  ..@.....P.N.T...   f0 d4 40 ac 93 7f 00 00 50 00 4e fa 54 12 00 00
				[0x7f93ac40d420]  Pw].T...........   50 77 5d fa 54 12 00 00 01 00 00 00 00 00 00 00
				[0x7f93ac40d430]  ..@.....I..M....   90 d4 40 ac 93 7f 00 00 49 01 2e 4d 06 00 00 00
		0x7f93ac40d4a0	0x64d2e0144	BPrivate::BPose::CalcRect(BPoint, BPrivate::BPoseView const*, bool) const + 0xa4 
		0x7f93ac40d540	0x64d2e8244	BPrivate::BPoseView::DrawViewCommon(BRect const&) + 0x104 
		0x7f93ac40d580	0x64d2e83f9	BPrivate::BPoseView::Draw(BRect) + 0x69 
		0x7f93ac40d5b0	0xaadf71b9bf	BView::_Draw(BRect) + 0x9f 
		0x7f93ac40d7e0	0xaadf729287	BWindow::DispatchMessage(BMessage*, BHandler*) + 0xcb7 
		0x7f93ac40d800	0x64d2b07fd	BPrivate::TFilePanel::DispatchMessage(BMessage*, BHandler*) + 0xd 
		0x7f93ac40d890	0xaadf724883	BWindow::task_looper() + 0x1d3 
		0x7f93ac40d8b0	0xaadf66575b	BLooper::_task0_(void*) + 0x1b 
		0x7f93ac40d8d0	0x1abb1151187	thread_entry + 0x17 
		00000000	0x7f5a61564258	commpage_thread_exit + 0