GLib.Marshaller.CharToGUnichar and .GUnicharToChar [#70704]
* generator/SymbolTable.cs (SymbolTable): add a GUnicharGen.
* generator/Makefile.am (sources): add GUnicharGen.cs
* parser/gapi2xml.pl (addPropElem): g_param_spec_unichar() has
type "gunichar" not "unichar".
* gtk/gtk-api.raw: Regen
* glib/Marshaller.cs: Import CharToGUnichar's glue method by the
right name
svn path=/trunk/gtk-sharp/; revision=37998