Use blenop params when exporting with the style.

This is probably a left over of the initial implementation I did. I see
no reason to not use the blenop params here.
(cherry picked from commit 95d9233f5e47fa0dc9b8c92c395682be39ce5d35)
Merge branch 'darktable-1.2.x' of github.com:darktable-org/darktable into darktable-1.2.x
rawspeed: update to svn r537 (thanks klaus)
(cherry picked from commit 310dddeed9c9000162a37ab809001736d9c2a742)
rawspeed: use unix line-ends
(cherry picked from commit 053d33fa29ad472c3a0b90fd42e50e91af429966)
rawspeed: re-add PENTAX K-5 II s
(cherry picked from commit 9c641d504f5b0e9fb017bf610a4d9385e84c958a)
rawspeed: minor fix for LX7 in 3:2 mode
(cherry picked from commit 0403d6ef4c86b58a4754d3e5f75ab267c5a16419)