RFR: 8263726: divideToIntegralValue typo on BigDecimal documentation

[Joe Darcy]

Fix typos in references to the method's name in the javadoc.

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Commit messages:
 - 8263726: divideToIntegralValue typo on BigDecimal documentation

Changes: https://git.openjdk.java.net/jdk/pull/3051/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3051&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8263726
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3051.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3051/head:pull/3051

PR: https://git.openjdk.java.net/jdk/pull/3051