fix shellcheck issues

plugins/.nmv

@@ -40,6 +40,7 @@ exit_status=0
 dst_file=$(mktemp "$TMPDIR/.nnnXXXXXX")
 
 if nnn_use_selection "Rename"; then
+	# shellcheck disable=SC2154
 	arr=$(tr '\0' '\n' < "$selection")
 else
 	findcmd="find . ! -name ."

plugins/.nnn-plugin-helper

@@ -48,7 +48,7 @@ nnn_use_selection() {
     if [ "$NNN_PREFER_SELECTION" -eq 1 ]; then
         return 0
     else
-        [ -n "$1" ] && printf "$1 "
+        [ -n "$1" ] && printf "%s " "$1"
         printf "(s)election/(c)urrent? [default=c] "
         read -r resp__
 

plugins/gpge

@@ -21,6 +21,7 @@ if [ "$symmetry" = "s" ]; then
 else
 	if nnn_use_selection; then
 		clear_sel=1
+		# shellcheck disable=SC2154
 		files=$(tr '\0' '\n' < "$selection")
 	else
 		clear_sel=0