HADOOP-13563. hadoop_subcommand_opts should print name not actual content during debug

Signed-off-by: Allen Wittenauer <aw@apache.org>
diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
index 91546d4..b6e2b59 100755
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
@@ -2057,7 +2057,7 @@
   fi
 
   if [[ -n ${!uvar} ]]; then
-    hadoop_debug "Appending ${!uvar} onto HADOOP_OPTS"
+    hadoop_debug "Appending ${uvar} onto HADOOP_OPTS"
     HADOOP_OPTS="${HADOOP_OPTS} ${!uvar}"
     return 0
   fi
@@ -2102,7 +2102,7 @@
   uvar="${uprogram}_${ucommand}_SECURE_EXTRA_OPTS"
 
   if [[ -n ${!uvar} ]]; then
-    hadoop_debug "Appending ${!uvar} onto HADOOP_OPTS"
+    hadoop_debug "Appending ${uvar} onto HADOOP_OPTS"
     HADOOP_OPTS="${HADOOP_OPTS} ${!uvar}"
     return 0
   fi