qt4-mac conflicts with qt3

[ryandesign (Ryan Carsten Schmidt)]

$ sudo port -u upgrade qt4-mac

--->  Building qt4-mac
--->  Staging qt4-mac into destroot
--->  Computing dependencies for qt4-mac
--->  Installing qt4-mac @4.7.0_0+quartz+universal
Disabling 'qt4_select' selection.
--->  Deactivating qt4-mac @4.6.3_6+universal
--->  Activating qt4-mac @4.7.0_0+quartz+universal
Error: Target org.macports.activate returned: Image error: /opt/local/bin/lrelease is being used by the active qt3 port.  Please deactivate this port first, or use 'port -f activate qt4-mac' to force the activation.
Log for qt4-mac is at: /opt/local/var/macports/logs/_Users_rschmidt_macports_dports_aqua_qt4-mac/main.log
--->  Uninstalling qt4-mac @4.6.3_6+universal

[michaelld (Michael Dickens)]

should we keep this ticket or #13640? same issue, but different reason.

[ryandesign (Ryan Carsten Schmidt)]

Sorry, I missed that we already had a ticket for this. Looks like the same reason.