--- firefox-45.0.orig/config/system-headers	2016-03-03 22:47:52.000000000 +0100
+++ firefox-45.0/config/system-headers	2016-03-14 19:05:49.143792141 +0100
@@ -457,6 +457,8 @@ frame/req.h
 freetype/freetype.h
 freetype/ftcache.h
 freetype/ftfntfmt.h
+freetype/ftfntfmt.h
+freetype/ftfntfmt.h
 freetype/ftglyph.h
 freetype/ftsynth.h
 freetype/ftoutln.h