Added clhsdb help for findsym, which was missed when the findsym command was recently added. Also fixed a very minor typo in the findpc help.
------------- Commit messages: - Add clhsdb help for findsym command. Changes: https://git.openjdk.java.net/jdk/pull/2983/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2983&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8263546 Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod Patch: https://git.openjdk.java.net/jdk/pull/2983.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/2983/head:pull/2983 PR: https://git.openjdk.java.net/jdk/pull/2983
