Fixes error when building fontconfig:
checking for FREETYPE... no
configure: error: Package requirements (freetype2 >= 21.0.15) were not met:
Package dependency requirement 'freetype2 >= 21.0.15' could not be satisfied.
Package 'freetype2' has version '6.17.4', required version is '>= 21.0.15'
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>