minor w32 popup window tweaks
minor w32 popup window tweaks

tonyolag/gummi-vim,jmarshallnz/gummi,jmarshallnz/gummi,tonyolag/gummi-vim,tonyolag/gummi-vim,jmarshallnz/gummi,tonyolag/gummi-vim,jmarshallnz/gummi