#4923 Add closing a file

[Masamichi Hosoda]

Add closing a file

Add closing a file in scale-down-image

This commit adds close-port for closing a file
in scale-down-image.

Add closing a file in is-collection-fonts?

This commit adds close-port for closing a file
in is-collection-fonts?.

http://codereview.appspot.com/299590043

[Anonymous]

Passes make, make check and a full make doc.

[Anonymous]

Patch on countdown for July 14th.

[Anonymous]

Patch counted down - please push.

[Masamichi Hosoda]

I've pushed to staging.

Issue 4923/2: Add closing a file in scale-down-image
commit 2fe27fd7d3cf488ba62de66a02a285accdfa8da1

Issue 4923/1: Add closing a file in is-collection-fonts?
commit 264fa8be61f503a1c9952b70633018e752afd226