Fixed last-git text file location read for date calculation

ArchUpdater.sh

@@ -53,7 +53,7 @@ if [ ! -f $HOME/.config/ArchUpdater/last-git.txt ]; then
             * ) echo "Please answer yes or no.";;
         esac
     done
-elif [ $(($(date +%s)-$(<last-git.txt))) -gt 1209600 ]; then
+elif [ $(($(date +%s)-$(<$HOME/.config/ArchUpdater/last-git.txt))) -gt 1209600 ]; then
     echo "It looks like it has been more than two weeks since you updated your -git AUR packages"
     while true; do
         read -p "Would you like to do so now? (y/n) " yn