[jfx11u] RFR: 8211362: Restrict export of libjpeg symbols from libjavafx_iio.so

[Johan Vos]

clean patch
8211362: Restrict export of libjpeg symbols from libjavafx_iio.so 
Reviewed-by: kcr

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Commit messages:
 - 8211362: Restrict export of libjpeg symbols from libjavafx_iio.so

Changes: https://git.openjdk.java.net/jfx11u/pull/51/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx11u&pr=51&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8211362
  Stats: 9 lines in 2 files changed: 5 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jfx11u/pull/51.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx11u pull/51/head:pull/51

PR: https://git.openjdk.java.net/jfx11u/pull/51