Make dagger version explicit.
Make dagger version explicit.

Things built with 1.2.1 compiler won't run with the runtime library
from 1.2.0, so we need to ensure releases remain consistent.

Change-Id: Ie69349814cfce4c0d229be4372ce7210211a0497
Reviewed-on: http://gerrit.dmdirc.com/3229
Reviewed-by: Greg Holmes <79e2475f81a6317276bf7cbb3958b20d289b78df@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

greboid/DMDirc,DMDirc/DMDirc,DMDirc/DMDirc,greboid/DMDirc,csmith/DMDirc,DMDirc/DMDirc,ShaneMcC/DMDirc-Client,ShaneMcC/DMDirc-Client,csmith/DMDirc,ShaneMcC/DMDirc-Client,greboid/DMDirc,DMDirc/DMDirc,csmith/DMDirc,ShaneMcC/DMDirc-Client,greboid/DMDirc,csmith/DMDirc