Merge bitcoin#14348: depends: fix bitcoin-qt back-compat with older f…

…reetype versions at runtime

430bf6c depends: fix bitcoin-qt back-compat with older freetype versions at runtime (Cory Fields)

Pull request description:

  Fixes bitcoin#14339. Thanks to @fanquake for confirming.

  A few years ago, libfreetype introduced ```FT_Get_Font_Format()``` as an alias for ```FT_Get_X11_Font_Format()```, but ```FT_Get_X11_Font_Format()``` was kept for abi backwards-compatibility.

  Our qt bump to 5.9 introduced a call to```FT_Get_Font_Format()```. Replace it with ```FT_Get_X11_Font_Format()``` in order to remain compatibile with older freetype, which is still used by e.g. Ubuntu Trusty.

  Needs 0.17 backport.

Tree-SHA512: 89c7b268c7d397c5195f5fb6f27473dbf5bdd6c85f7c6f6b35b49c719df1dbc117e105275f1d31bc2b80fecf5f8a852dc89247c4e4537a788f8e76ad34c72d64

depends/packages/qt.mk

@@ -120,6 +120,7 @@ define $(package)_extract_cmds
 endef
 
 define $(package)_preprocess_cmds
+  sed -i.old "s|FT_Get_Font_Format|FT_Get_X11_Font_Format|" qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp && \
   sed -i.old "s|updateqm.commands = \$$$$\$$$$LRELEASE|updateqm.commands = $($(package)_extract_dir)/qttools/bin/lrelease|" qttranslations/translations/translations.pro && \
   sed -i.old "/updateqm.depends =/d" qttranslations/translations/translations.pro && \
   sed -i.old "s/src_plugins.depends = src_sql src_network/src_plugins.depends = src_network/" qtbase/src/src.pro && \