RFR: 8307542: Call to FcConfigAppFontAddFile uses wrong prototype, arguments

[Florian Weimer]

Related to:

* https://fedoraproject.org/wiki/Changes/PortingToModernC
* https://fedoraproject.org/wiki/Toolchain/PortingToModernC

-------------

Commit messages:
 - 8307542: Call to FcConfigAppFontAddFile uses wrong prototype, arguments

Changes: https://git.openjdk.org/jfx/pull/1128/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1128&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8307542
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jfx/pull/1128.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1128/head:pull/1128

PR: https://git.openjdk.org/jfx/pull/1128