bash-nvme-completion.sh: fixed error when sourced twice

One-line "readonly" with assignment produce error if completion file
is sourced for the second time (/etc/profile reload, su etc.)

diff --git a/completions/bash-nvme-completion.sh b/completions/bash-nvme-completion.sh
index e5d9ff190996dc369166f45bf01c4ab5683cdeb5..7b8a2121dd101797c6114c0a6edabc72c15ee771 100644 (file)
--- a/completions/bash-nvme-completion.sh
+++ b/completions/bash-nvme-completion.sh
@@ -5,7 +5,8 @@
 # Kelly Kaoudis kelly.n.kaoudis at intel.com, Aug. 2015
 
 # Constant to indicate command has no options
-readonly NO_OPTS=""
+NO_OPTS=""
+readonly NO_OPTS
 
 # Associative array of plugins and associated subcommands
 # Order here is same as PLUGIN_OBJS in Makefile