GIMP 版本更新至 2.6.4

主要是在修正 bugs

Overview of Changes from GIMP 2.6.3 to GIMP 2.6.4
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* Bugs fixed:

 565223 – Perspective transformation jagged edges / comb effect
 563985 – jpg save dialog: "cancel" is treated like "commit"
          for settings
 564087 – Using clone tool on a layer with a part out of canvas
          causes crashes
 564593 – crash when the drawable is changed while a color tool
          is active
 564869 – GIMP crashes on selecting Tools->GEGL operation
 565138 – python-fu-foggify does not check if image is in rgb mode
 563130 – Hue selection mode does not cross the 0-360 degrees line
 563179 – Scrollbars not resized when we extend the canvas size
 562459 – PF_PALETTE: 'TypeError' when used in a plugin that is
          registered in <Image>
 562427 – Compilation with --as-needed
 562386 – PF_SLIDER and PF_SPINNER 'Step' values do not change
          consistently...
 562366 – Default image dimensions are not correctly
          transferred in the file/new dialog box
 561899 – GIMP can't save to mounted filesystem if file exists