Allow changing the colour of wxInfoBarGeneric text.

Override SetForegroundColour() to forward it to the text control.

See #15671.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@75214 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

version-script.in

@@ -24,6 +24,10 @@
 # symbols available since the beginning of this branch are only given
 # generic branch tag (don't remove this!):
 
+@WX_VERSION_TAG@.1 {
+        *wxInfoBarGeneric*SetForegroundColour*;
+};
+
 @WX_VERSION_TAG@ {
         *;
 };