Return saved boolean from button_press in button_release
Return saved boolean from button_press in button_release

It may or may not happen that WebKit reacts on clicks
regardless of the boolean returned in button_press, as
a work-around button_release returns the same value now.

Fixes: https://bugs.launchpad.net/midori/+bug/707024


dokidokivisual/midori,dokidokivisual/midori,dokidokivisual/midori,dokidokivisual/midori,dokidokivisual/midori