Fix red colour in rgb value in pango.vala
Fix red colour in rgb value in pango.vala

The red part of the rgb value was always passed as 0
to Pango.attr_foreground_new(r, g, b) and
Pango.attr_background_new(r, g, b).

BUG=

Review URL: https://codereview.appspot.com/6874050
Patch from Mike FABIAN <maiku.fabian@gmail.com>.

fujiwarat/ibus-xkb,fujiwarat/ibus-xkb,fujiwarat/ibus-xkb