Apply patch #2263850 to fix ruby/file.i ... rubyio.h filename change in ruby 1.9.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@10944 626c5289-ae23-0410-ae9c-e8d60b6d4f22

CHANGES.current

@@ -1,6 +1,10 @@
 Version 1.3.37 (in progress)
 ============================
 
+2008-11-23: wsfulton
+	    [ruby] Apply patch #2263850 to fix ruby/file.i ... rubyio.h filename change in 
+	    ruby 1.9.
+
 2008-11-23: wsfulton
 	    Apply patch #2319790 from Johan Hake to fix shared_ptr usage in std::tr1 namespace.
 

Lib/ruby/file.i

@@ -3,7 +3,14 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+
+// Ruby 1.9 changed the file name of this header
+#ifdef HAVE_RUBY_IO_H
+#include "ruby/io.h"
+#else
 #include "rubyio.h"
+#endif
+
 #ifdef __cplusplus
 }
 #endif