bugfix: return values from playAndGetDigits stopped working

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5433 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/languages/mod_python/mod_python.i

@@ -1,6 +1,14 @@
 %module freeswitch
 %include "cstring.i"
 
+/** 
+ * tell swig to treat these variables as mutable so they
+ * can be used to return values.
+ * See http://www.swig.org/Doc1.3/Library.html
+ */
+%cstring_bounded_mutable(char *dtmf_buf, 128);
+%cstring_bounded_mutable(char *terminator, 8);
+
 /** insert the following includes into generated code so it compiles */
 %{
 #include "switch_cpp.h"
@@ -14,8 +22,5 @@
 %include switch_cpp.h
 %include freeswitch_python.h
 
-/** hmm .. dunno why this is here */
-%cstring_bounded_mutable(char *dtmf_buf, 128);
-%cstring_bounded_mutable(char *terminator, 8);