RFR: 8313576: GCC 7 reports compiler warning in bundled freetype 2.13.0 [v3]

[Sergey Bylokhov]

> One warning is disabled for the freetype.

Sergey Bylokhov has updated the pull request incrementally with one additional commit since the last revision:

  add comment about gcc 7

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/15116/files
  - new: https://git.openjdk.org/jdk/pull/15116/files/2569b126..199e5091

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15116&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15116&range=01-02

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/15116.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15116/head:pull/15116

PR: https://git.openjdk.org/jdk/pull/15116