wb_presets: nikon d3200 updated and expanded presets
(cherry picked from commit a3d1ce7a17d53d526edbbd91b5eefb76f9d9e6d0)
(cherry picked from commit 2f2776772c8d67ddc6592dc2dbdf16d2be3c5454)
rawspeed: Sony SLT-A58 updated white and black levels
(cherry picked from commit cb4df09d96536dfc62e535a3438cc8d2e08b042c)
(cherry picked from commit 07f5a2dffd1a270bb2de354704a573715f36cc6b)
rawspeed: remove unused variable
(cherry picked from commit 14db78cb6fda8c3f8e351c8cbfbd068e1b338b5f)
(cherry picked from commit 2c3d3a8f2288fd6ef5a1184b3b1caddc43b1d243)