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/brush.h

@@ -89,6 +89,7 @@ enum wxBrushStyle
     @li ::wxBLUE_BRUSH
     @li ::wxCYAN_BRUSH
     @li ::wxGREEN_BRUSH
+    @li ::wxYELLOW_BRUSH
     @li ::wxGREY_BRUSH
     @li ::wxLIGHT_GREY_BRUSH
     @li ::wxMEDIUM_GREY_BRUSH
@@ -244,6 +245,13 @@ wxBrush* wxBLUE_BRUSH;
 */
 wxBrush* wxGREEN_BRUSH;
 
+/**
+    Yellow brush.
+    Except for the color it has all standard attributes
+    (@c wxBRUSHSTYLE_SOLID, no stipple bitmap, etc...).
+*/
+wxBrush* wxYELLOW_BRUSH;
+
 /**
     White brush.
     Except for the color it has all standard attributes