pull up r20174 from trunk

 r20174@cathode-dark-space:  jaltman | 2007-12-11 22:45:42 -0500
 ticket: new
 subject: KFW BUG: WIX: 64-bit installer attempts to uninstall 32-bit NSIS 
 component: windows
 tags: pullup
 
 The 64-bit MSI must examine Win64 registry keys and not the 32-bit registry
 keys which is where the 32-bit NSIS installation will be detected.
 
 


Commit By: tlyu



Revision: 20197
Changed Files:
_U  branches/krb5-1-6/
U   branches/krb5-1-6/src/windows/installer/wix/property.wxi