python: use utf-8 encoding for gdb_write

Routine print operations end up getting encoding exceptions since
the default encoding is ascii.  Most systems are using utf-8 now so
let's use that instead.

This is a hack and we should be looking at the locale.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>

Author: jeffmahoney

gdb/python/python.c

@@ -1121,8 +1121,8 @@ gdbpy_write (PyObject *self, PyObject *args, PyObject *kw)
   static char *keywords[] = {"text", "stream", NULL };
   int stream_type = 0;
 
-  if (! PyArg_ParseTupleAndKeywords (args, kw, "s|i", keywords, &arg,
-				     &stream_type))
+  if (! PyArg_ParseTupleAndKeywords (args, kw, "es|i", keywords, "utf-8",
+				     &arg, &stream_type))
     return NULL;
 
   TRY