Patch for GSSocketStream

[Yen-Ju Chen]

The recent change on GSSockeStream breaks my application.
I do not have GNU TLS installed, so GSSocketStream uses a dummy version of GSTLS.
But it does not override the +tryInput:output: and it raises exception.
This is a patch for it.

Yen-Ju

Index: Source/GSSocketStream.m
===================================================================
--- Source/GSSocketStream.m     (revision 25933)
+++ Source/GSSocketStream.m     (working copy)
@@ -560,6 +560,10 @@
   DESTROY(self);
   return nil;
 }
++ (void) tryInput: (GSSocketInputStream*)i output: (GSSocketOutputStream*)o
+{
+}
+
 @end
 
 #endif   /* HAVE_GNUTLS */