deprecate unneeded wxDIRCTRL_SHOW_FILTERS style, just always show the filters if they're present (modified patch 1719448)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46187 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -72,6 +72,9 @@ Deprecated methods and their replacements
 - wxCreateGreyedImage() deprecated, use wxImage::ConvertToGreyscale() instead.
 - wxString::GetWriteBuf() and UngetWriteBuf() deprecated, using wxStringBuffer
   or wxStringBufferLength instead.
+- wxDIRCTRL_SHOW_FILTERS style is deprecated, filters are alwsys shown if
+  specified so this style should simply be removed
+
 
 Major new features in this release
 ----------------------------------

docs/latex/wx/dirctrl.tex

@@ -23,7 +23,6 @@ hierarchy, and optionally, a \helpref{wxChoice}{wxchoice} window containing a li
 \twocolitem{\indexit{wxDIRCTRL\_DIR\_ONLY}}{Only show directories, and not files.}
 \twocolitem{\indexit{wxDIRCTRL\_3D\_INTERNAL}}{Use 3D borders for internal controls.}
 \twocolitem{\indexit{wxDIRCTRL\_SELECT\_FIRST}}{When setting the default path, select the first file in the directory.}
-\twocolitem{\indexit{wxDIRCTRL\_SHOW\_FILTERS}}{Show the drop-down filter list.}
 \twocolitem{\indexit{wxDIRCTRL\_EDIT\_LABELS}}{Allow the folder and file labels to be editable.}
 \end{twocollist}