[dunecontrol] Skip unnecessary parsing of Git option lines into array

As Carsten correctly pointed out, it's easier to just eval the command directly.

bin/dunecontrol

@@ -379,8 +379,7 @@ run_default_vcsetup() {
         # Filter out comments
         local COMMENT="$(echo $REPLY | $GREP '^#')"
         if [ ! "x$COMMENT" = "x$REPLY" ]; then
-          eval local GIT_ARGS=($REPLY)
-          git config "${GIT_ARGS[@]}"
+          eval git config $REPLY
         fi
       done
       echo "done"
@@ -394,8 +393,7 @@ run_default_vcsetup() {
           # Filter out comments
           local COMMENT="$(echo $REPLY | $GREP '^#')"
           if [ ! "x$COMMENT" = "x$REPLY" ]; then
-            eval local GIT_ARGS=($REPLY)
-            git config "${GIT_ARGS[@]}"
+            eval git config $REPLY
           fi
         done
         echo "done"