minor bugfix on TagsController.php
minor bugfix on TagsController.php

crruthe/MISP,FloatingGhost/MISP,MISP/MISP,cristianbell/MISP,SteveClement/MISP,TheDr1ver/MISP,MISP/MISP,devnull-/MISP,SteveClement/MISP,cristianbell/MISP,cristianbell/MISP,FloatingGhost/MISP,Rafiot/MISP,Rafiot/MISP,crruthe/MISP,FIRSTdotorg/MISP,crruthe/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,TheDr1ver/MISP,FloatingGhost/MISP,devnull-/MISP,Rafiot/MISP,devnull-/MISP,TheDr1ver/MISP,FloatingGhost/MISP,devnull-/MISP,SteveClement/MISP,Rafiot/MISP,crruthe/MISP,cristianbell/MISP,FIRSTdotorg/MISP,TheDr1ver/MISP,MISP/MISP,MISP/MISP