Get rid of additional backslash

The backslash was needed due to [bug on Jessie][2], but on all other
macnines I use this is printed, which is not desired.

  [1]: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=767655

dotfiles/bash/post.bashrc

@@ -57,7 +57,7 @@ case "$TERM" in
 xterm*|rxvt*|screen*)
     test -n "$SSH_CONNECTION" \
      && __host_id="${HOSTNAME%%.*}:"      # i.e. a remote session
-    PROMPT_COMMAND='__save_rv $?; echo -ne "\033]0;$(__make_ps1d)$__host_id${PWD/$HOME/\~}\$\007"'
+    PROMPT_COMMAND='__save_rv $?; echo -ne "\033]0;$(__make_ps1d)$__host_id${PWD/$HOME/~}\$\007"'
 
     # Show the currently running command in the terminal title:
     # http://www.davidpashley.com/articles/xterm-titles-with-bash.html
@@ -73,9 +73,9 @@ xterm*|rxvt*|screen*)
             *)
                 if test -n "${BASH_COMMAND}";
                 then
-                    echo -ne "\033]0;${BASH_COMMAND} ($__host_id${PWD/$HOME/\~})\007"
+                    echo -ne "\033]0;${BASH_COMMAND} ($__host_id${PWD/$HOME/~})\007"
                 else
-                    echo -ne "\033]0;$(__make_ps1d)$__host_id${PWD/$HOME/\~}\$\007"
+                    echo -ne "\033]0;$(__make_ps1d)$__host_id${PWD/$HOME/~}\$\007"
                 fi
                 ;;
         esac