Added one more location for tmux

functions/fn_check_tmux

@@ -6,7 +6,7 @@
 
 # Checks if tmux is installed as too many users do not RTFM or know how to use Google.
 
-if [ "$(command -v tmux)" ]||[ "$(which tmux)" ]||[ -f "/usr/bin/tmux" ]; then
+if [ "$(command -v tmux)" ]||[ "$(which tmux)" ]||[ -f "/usr/bin/tmux" ]||[ -f "/bin/tmux" ]; then
 	:
 else
 	fn_printfailnl "Tmux not installed"