Fixes: NB#298678 - (Regression): Alphabetical VKB shown automatically in "Change security code"-view
Fixes: NB#298678 - (Regression): Alphabetical VKB shown automatically in "Change security code"-view

RevBy: Jan Arne Petersen, Jon Nordby
Details: Use regular variable instead of reference variable to store old
         widget state. Using a reference causes new and old widget state
         to be the same always. The regression was caused by commit:
         ccab78d7713ca23c236d9c6cbfe845923da019dc

Full, original commit at eb535a4df73d02366a36d1593da77b580e0babef in maliit-framework

maliit/inputcontext-qt4,perencia/inputcontext-qt4,maliit/inputcontext-qt4