Comment 141 for bug 179988

The patch causes this build error on Linux:

 g++ -DHAVE_CONFIG_H -I. -I.. -I/usr/include/freetype2 -pthread -DORBIT2=1 -I/usr/include/gnome-vfs-2.0 -I/usr/lib/gnome-vfs-2.0/include -I/usr/include/gconf/2 -I/usr/include/orbit-2.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -DPOTRACE=\"potrace\" -pthread -I/usr/local/include -I/usr/include/gdkmm-2.4 -I/usr/lib/gdkmm-2.4/include -I/usr/include/glibmm-2.4 -I/usr/lib/glibmm-2.4/include -I/usr/include/pangomm-1.4 -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/cairomm-1.0 -I/usr/include/sigc++-2.0 -I/usr/lib/sigc++-2.0/include -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/pango-1.0 -I/usr/include/cairo -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/gtkmm-2.4 -I/usr/lib/gtkmm-2.4/include -I/usr/include/atkmm-1.6 -I/usr/include/atk-1.0 -I/usr/include/libxml2 -I../cxxtest -Wall -Wformat-security -W -Wpointer-arith -Wcast-align -Wsign-compare -Woverloaded-virtual -Wswitch -D_FORTIFY_SOURCE=2 -Wno-unused-parameter -g -O2 -MT extension/internal/cairo-render-context.o -MD -MP -MF $depbase.Tpo -c -o extension/internal/cairo-render-context.o extension/internal/cairo-render-context.cpp &&\
 mv -f $depbase.Tpo $depbase.Po
extension/internal/cairo-render-context.cpp:53:44: error: FontFactory.h: No such file or directory
make[2]: *** [extension/internal/cairo-render-context.o] Error 1
make[2]: Leaving directory `/home/bryce/src/Inkscape/inkscape-0.46-branch/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/bryce/src/Inkscape/inkscape-0.46-branch'
make: *** [all] Error 2