Help: Linux swap consistency

On the help screen's depiction of the swap bar, the / separator between
used and cache should be coloured for consistency with the other bars.

I tried removing the coloured /s from the other bars to make them
consistent, but found that less visually appealing.

Action.c

@@ -603,7 +603,7 @@ static Htop_Reaction actionHelp(State* st) {
    addattrstr(CRT_colors[BAR_BORDER], "[");
    addattrstr(CRT_colors[SWAP], "used");
 #ifdef HTOP_LINUX
-   addattrstr(CRT_colors[BAR_SHADOW], "/");
+   addstr("/");
    addattrstr(CRT_colors[SWAP_CACHE], "cache");
    addattrstr(CRT_colors[BAR_SHADOW], "                                    used/total");
 #else