<i18n dev> RFR: 8282897: Fix call parameter to GetStringChars() in HostLocaleProviderAdapter_md.c

[Zhengyu Gu]

Please review this trivial patch to correct last parameter of `GetStringChars()` call, which should be a  `jboolean*`, instead of `jboolean`

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

Commit messages:
 - 8282897: Fix call parameter to GetStringChars() in HostLocaleProviderAdapter_md.c

Changes: https://git.openjdk.java.net/jdk/pull/7775/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7775&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282897
  Stats: 19 lines in 1 file changed: 0 ins; 0 del; 19 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7775.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7775/head:pull/7775

PR: https://git.openjdk.java.net/jdk/pull/7775