Change how to handle tempfile
Change how to handle tempfile

Tempfile is removed when exit the block. So ocicasionally tempfile
is removed before send_file method.

So quit to use the block with tempfile and unlink file inside
ensure block.

hanazuki/itamae,Rudolph-Miller/itamae,k0kubun/itamae,mizzy/itamae,k0kubun/itamae,hanazuki/itamae,uroesch/itamae,KitaitiMakoto/itamae,hfm/itamae,maruware/itamae,tacahilo/itamae,glensc/itamae,itamae-kitchen/itamae,hfm/itamae,tacahilo/itamae,sue445/itamae,glensc/itamae,sue445/itamae,maruware/itamae,itamae-kitchen/itamae,KitaitiMakoto/itamae,Rudolph-Miller/itamae,uroesch/itamae