shellrc: ++.shell/var/man directory

etc/rc.darwin19

@@ -64,7 +64,7 @@ mkdir -p ~/.config/dunst
 
 : ---------------------------------------------------------------
 
-mkdir -pv ../var/{shell,log,mpd,scmpc,vim}
+mkdir -pv ../var/{shell,log,man,mpd,scmpc,vim} 2>&-
 mkdir -pv ../var/vim/{backup,undo,mru,swp,view,yankring}
 mkdir -pv net/ssh/sessions
 

etc/rc.linux-gnu

@@ -74,7 +74,7 @@ mkdir -p ~/.config/dunst
 
 : ---------------------------------------------------------------
 
-mkdir -pv ../var/{shell,log,mpd,scmpc,vim}
+mkdir -pv ../var/{shell,log,man,mpd,scmpc,vim}
 mkdir -pv ../var/vim/{backup,undo,mru,swp,view,yankring}
 mkdir -pv ../../.local/share/newsboat
 mkdir -pv net/ssh/sessions