Re: WinPcap setup issue in Nmap Windows installer

The fix is documented in the NSIS wiki [1] and involves replacing

    ExecWait '"$0\Uninstall.exe"'

with

    ExecWait '"$0\Uninstall.exe" _?=$INSTDIR'

I've tested it and it does the job lovely, preventing the nmap-winpcap
installer form from loading and becoming visible before the
uninstallation of a previous version of winpcap is complete if that
uninstaller spawns a child process (otherwise, it works as normal). It
likely needs a bit of testing, e.g. on vista or when the uninstallation
fails.

I've attached winpcap_nsi.patch

jah

[1] NSIS wiki -
http://nsis.sourceforge.net/When_I_use_ExecWait_uninstaller.exe_it_doesn%27t_wait_for_the_uninstaller

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