Fix bug when install `smalltalkx.svg` and `smalltalkx.desktop` when running from toy archive
"*
* Encoding: iso8859-1
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* $Header$
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* MIMEType: application/x-smalltalk-source
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* ST/X startup configuration file:
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* This file used to define keyboard mapping. Mappings have been moved to
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* DeviceWorkstation class>>defaultKeyboardMapDefinition
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* Eventually, this file will vanish.
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* Put all your customizations to some `rc.d` file and or to your private
* startup script.
*"
Smalltalk fileIn:'keyboardMacros.rc'.