[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] Newspeak 32-bit Windows 201801252341 VMs crash at startup (#199)

[Ryan Macnak]

During the Alien callout that creates the first window

```
Stack backtrace:
	[B8905454] ??? + 0x0 in (null)
	[7683E89A] DlgDirListW + 0x8fa in USER32.dll
	[7683E4D0] DlgDirListW + 0x530 in USER32.dll
	[7684A5A3] GetAltTabInfo + 0x183 in USER32.dll
	[77E50866] LdrDisableThreadCalloutsForDll + 0x36 in ntdll.dll
	[76842EA9] CtxInitUser32 + 0x199 in USER32.dll
	[7685BC58] CsrBroadcastSystemMessageExW + 0x38 in USER32.dll
	[00C51802] ??? + 0x101802 in nsvm32cog.exe
	[00C50E18] ??? + 0x100e18 in nsvm32cog.exe


Smalltalk stack dump:
 0x15d59f0 I Win32Function`559881(CFunction`559881)>value:value:value:value:value:value:value:value:value:value:value:value: 0x6c790f0: a(n) Win32Function`559881
 0x15d5a40 I Win32Function`559881(CFunction`559881)>unsignedValue:value:value:value:value:value:value:value:value:value:value:value: 0x6c790f0: a(n) Win32Function`559881
 0x15d5a9c I WindowClass`360635>createWindowForAgent: 0x4c14ab8: a(n) WindowClass`360635
 0x15d5ac0 I TextMeasurer`360635>startup 0x4c395f8: a(n) TextMeasurer`360635
 0x15d5ae0 I WindowsSession`2353343>initializer`new 0x4c091a8: a(n) WindowsSession`2353343
 0x15ce85c I WindowsSession`2353343 class>new 0x4bd0c08: a(n) WindowsSession`2353343 class
 0x15ce87c I BrazilMappingForWin32>initializer`platform: 0x4bc81f0: a(n) BrazilMappingForWin32
 0x15ce8a0 I BrazilMappingForWin32 class>platform: 0x68e91f0: a(n) BrazilMappingForWin32 class
 0x15ce8c0 M [] in NativeSession>setupWin32NativeSessionUsingPlatform: 0x4a93930: a(n) NativeSession
 0x15ce8d8 M FutureValue>value 0x4a99368: a(n) FutureValue
 0x15ce8f8 I NativeSession>module 0x4a93930: a(n) NativeSession
 0x15ce91c I [] in NativeSession>setupWin32NativeSessionUsingPlatform: 0x4a93930: a(n) NativeSession
 0x15ce93c I FutureValue>value 0x4a99378: a(n) FutureValue
 0x15ce95c I NativeSession>desktop 0x4a93930: a(n) NativeSession
 0x15ce980 I [] in NativeSession>goNative 0x4a93930: a(n) NativeSession
 0x15ce9a8 I NsFFISessionManager class(Singleton class)>soleInstanceIfNotNil: 0x670da20: a(n) NsFFISessionManager class
 0x15ce9cc I NativeSession>goNative 0x4a93930: a(n) NativeSession
 0x15ce9ec I NativeSession>setupDesktopForNewSession 0x4a93930: a(n) NativeSession
 0x15cea04 M NativeSession class>startUp: 0x670dbf0: a(n) NativeSession class
 0x15cea30 M [] in SmalltalkImage>send:toClassesNamedIn:with: 0x5217bd8: a(n) SmalltalkImage
 0x15cea50 M OrderedCollection>do: 0x53cfff0: a(n) OrderedCollection
 0x15cea78 I SmalltalkImage>send:toClassesNamedIn:with: 0x5217bd8: a(n) SmalltalkImage
 0x15ceaa4 I SmalltalkImage>processStartUpList: 0x5217bd8: a(n) SmalltalkImage
 0x15cead0 I SmalltalkImage>snapshot:andQuit:withExitCode:embedded: 0x5217bd8: a(n) SmalltalkImage
 0x6ec1e00 s SmalltalkImage>snapshot:andQuit:embedded:
 0x6c64278 s SmalltalkImage>snapshot:andQuit:
 0x6c701c0 s [] in NewspeakBootstrap class>boot
 0x6c728b0 s WorldState>runStepMethodsIn:
 0x6c79ea8 s PasteUpMorph>runStepMethods
 0x6c7ab88 s WorldState>doOneCycleNowFor:
 0x6c7ae98 s WorldState>doOneCycleFor:
 0x6c7b430 s PasteUpMorph>doOneCycle
 0x5501de0 s [] in MorphicProject>spawnNewProcess
 0x52364d8 s [] in BlockClosure>newProcess
```

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