FYI: 8240796: Infinite loop in Diagnostic message code

[Prasanta Sadhukhan]

Issue:
Diagnostic message code causes an infinite loop

Fix:
Needs to put getc() inside while loop

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Commit messages:
 - 8240796: Infinite loop in Diagnostic message code

Changes: https://git.openjdk.java.net/lanai/pull/5/files
 Webrev: https://webrevs.openjdk.java.net/lanai/5/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8240796
  Stats: 4 lines in 1 file changed: 0 ins; 1 del; 3 mod
  Patch: https://git.openjdk.java.net/lanai/pull/5.diff
  Fetch: git fetch https://git.openjdk.java.net/lanai pull/5/head:pull/5

PR: https://git.openjdk.java.net/lanai/pull/5