Merge commit '66988320'

* commit '66988320':
  configure: Add proper weak dependency of drawtext filter on libfontconfig
Merged-by: James Almer <jamrial@gmail.com>

configure

@@ -3167,6 +3167,7 @@ deinterlace_vaapi_filter_deps="vaapi"
 delogo_filter_deps="gpl"
 deshake_filter_select="pixelutils"
 drawtext_filter_deps="libfreetype"
+drawtext_filter_suggest="libfontconfig"
 elbg_filter_deps="avcodec"
 eq_filter_deps="gpl"
 fftfilt_filter_deps="avcodec"