Make some obvious consolidations in local declaration for readability.

usr.sbin/bsdconfig/bsdconfig

@@ -93,10 +93,9 @@ usage()
 	#
 	# Determine the maximum width of terminal/console
 	#
-	local max_size max_width
-	max_size=$( stty size 2> /dev/null )
+	local max_size="$( stty size 2> /dev/null )"
 	: ${max_size:="24 80"}
-	max_width="${max_size#*[$IFS]}"
+	local max_width="${max_size#*[$IFS]}"
 	f_dprintf "max_width=[%s]" "$max_width"
 
 	#

usr.sbin/bsdconfig/networking/share/device.subr

@@ -142,8 +142,7 @@ f_dialog_menu_netdev()
 	#
 	# Ask user to select an interface
 	#
-	local prompt
-	prompt="$msg_select_network_interface"
+	local prompt="$msg_select_network_interface"
 	local height width rows
 	eval f_dialog_menu_size height width rows \
 	                        \"\$DIALOG_TITLE\"     \