[Trac #1367] It should prompt save edit file when close paint

[Zarro Boogs per Child]

#1367: It should prompt save edit file when close paint
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 Reporter:  Candy Lu     |       Owner:  tomeu  
     Type:  defect       |      Status:  new    
 Priority:  normal       |   Milestone:  BTest-3
Component:  pixel paint  |    Keywords:         
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 Bios:Q2c05  Image:387
 1.Open paint,do some painting.[[BR]]
 2.No do any save action[[BR]]
 3.close paint driectly, it should promptsave file.

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Ticket URL: <http://dev.laptop.org/ticket/1367>
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