Updated logic in prompt_dir

Added a case where there is no last dir foreground, but still bold.

powerlevel9k.zsh-theme

@@ -870,9 +870,15 @@ prompt_dir() {
 
   if [[ -n ${POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND} ]]; then
     if [[ $path_opt == "/" || $path_opt == "~" || $(dirname $path_opt) == "/" || ${POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER} ]]; then
-      current_path="$bld%F{$POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND}$current_path%F{$dir_state_foreground}%b"
+      current_path="$bld%F{$POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND}$current_path%F{$dir_state_foreground}%b%F{$dir_state_foreground}"
     else
-      current_path="$(dirname $current_path)/$bld%F{$POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND}$(basename $current_path)%F{$dir_state_foreground}%b"
+      current_path="$(dirname $current_path)/$bld%F{$POWERLEVEL9K_DIR_PATH_HIGHLIGHT_FOREGROUND}$(basename $current_path)%b%F{$dir_state_foreground}"
+    fi
+  else
+    if [[ $path_opt == "/" || $path_opt == "~" || $(dirname $path_opt) == "/" || ${POWERLEVEL9K_DIR_OMIT_FIRST_CHARACTER} ]]; then
+      current_path="$bld%F{$dir_state_foreground}$current_path%b%F{$dir_state_foreground}"
+    else
+      current_path="%F{$dir_state_foreground}$(dirname $current_path)/$bld$(basename $current_path)%b%F{$dir_state_foreground}"
     fi
   fi