add new predefined colour (and relative brush/pen): wxYELLOW (closes #10669)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60562 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/pen.h

@@ -134,6 +134,7 @@ enum wxPenCap
     @li ::wxBLUE_PEN
     @li ::wxCYAN_PEN
     @li ::wxGREEN_PEN
+    @li ::wxYELLOW_PEN
     @li ::wxGREY_PEN
     @li ::wxLIGHT_GREY_PEN
     @li ::wxMEDIUM_GREY_PEN
@@ -389,6 +390,13 @@ wxPen* wxCYAN_PEN;
 */
 wxPen* wxGREEN_PEN;
 
+/**
+    Yellow pen.
+    Except for the color it has all standard attributes
+    (1-pixel width, @c wxPENSTYLE_SOLID and @c wxCAP_ROUND styles, etc...).
+*/
+wxPen* wxYELLOW_PEN;
+
 /**
     Black pen.
     Except for the color it has all standard attributes