cmake: Update FindNSIS module.
cmake: Update FindNSIS module.

Odie/cmocka,nuumio/cmocka,jschmidlapp/cmocka,wingyplus/cmocka,JonathonReinhart/cmocka,chadversary/cmocka,jamesmunns/CMocka,tyc/cmocka,jhrozek/cmocka,VladimirTyrin/cmocka,aleksandr-vin/cmock,linuxmaniac/cmocka,dsch/cmocka,lsjostro/cmocka,jhrozek/cmocka,jschmidlapp/cmocka,wingyplus/cmocka,chadversary/cmocka,Odie/cmocka,VladimirTyrin/cmocka,nuumio/cmocka,JonathonReinhart/cmocka,dsch/cmocka,Odie/cmocka,tyc/cmocka,nuumio/cmocka,jschmidlapp/cmocka,jamesmunns/CMocka,clibs/cmocka,lsjostro/cmocka,jhrozek/cmocka,clibs/cmocka,linuxmaniac/cmocka,aleksandr-vin/cmock,tyc/cmocka