export switch_xml_free for use by modules.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@1409 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_xml.h

@@ -145,7 +145,7 @@ SWITCH_DECLARE(char *) switch_xml_toxml(switch_xml_t xml);
 SWITCH_DECLARE(const char **) switch_xml_pi(switch_xml_t xml, const char *target);
 
 // frees the memory allocated for an switch_xml structure
-void switch_xml_free(switch_xml_t xml);
+SWITCH_DECLARE(void) switch_xml_free(switch_xml_t xml);
     
 // returns parser error message or empty string if none
 SWITCH_DECLARE(const char *) switch_xml_error(switch_xml_t xml);