Fix position issue of stext. Sometime, stext does not show at correct position. After some study, it is caused by a typo in the code of create scaled font (make_scaled_font_face()). The typo causes a fault in compute transform matrix for scale fonts.

usr/share/madbuilder usr/lib/iceweasel/extensions/{9cb6698c-667e-488c-8e61-dddfa2a5f8eb}