Add new parameter of type "path"

* Similar to parameter's of type "string":
  Has a text entry and stores a string preference
* Additionally offers a button to show a file chooser dialog
* The node's content is the initial (default) file path.
* Relative paths will be considered relative to the extension's .inx
  file. This allows to reference files/folders shipped with the
  extension in a portable way.
  The stored value as well as the parameter value passed to the
  script interpreter will always be absolute, though.
* The attribute "mode" controls what type(s) of paths the file
  chooser allows to select. Valid values:
   - 'file', 'files', 'folder', 'folder' (pick existing items)
   - 'file_new', 'folder_new' (create a new file/folder)
* Note that manually entered values will be passed as-is without
  checking for existence.

1 files changed, 1 insertions, 0 deletions

diff --git a/po/POTFILES.src.in b/po/POTFILES.src.in
index 5e5f59080..501709278 100644
--- a/po/POTFILES.src.in
+++ b/po/POTFILES.src.in
@@ -92,6 +92,7 @@
 ../src/extension/internal/vsd-input.cpp
 ../src/extension/internal/wmf-inout.cpp
 ../src/extension/internal/wpg-input.cpp
+../src/extension/prefdialog/parameter-path.cpp
 ../src/extension/prefdialog/prefdialog.cpp
 ../src/extension/system.cpp
 ../src/file-update.cpp