Fix core dump in rmr_probe when -r option given

When the '-r' option was given on the rmr_probe command line the
process would core dump. This change corrects the argument parsing
code that was the source of the problem.

Issue-ID: RIC-644

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I02b5b0ba211de1ec0458e8c83d2f2ccf97523825
diff --git a/CHANGES_CORE.txt b/CHANGES_CORE.txt
index 4df9b24..20fb7cc 100644
--- a/CHANGES_CORE.txt
+++ b/CHANGES_CORE.txt
@@ -5,6 +5,10 @@
 # API and build change  and fix summaries. Doc correctsions
 # and/or changes are not mentioned here; see the commit messages.
 
+2020 August 4; Version 4.2.2
+	Correct bug in the rmr_probe support utility when -r option is used
+	on the command line (RIC-644)
+
 2020 August 4; Version 4.2.1
 	Add additional environment variable dump if RMR_LOG_VLEVEL set to
 	4 at start.