peliminary sofia inbound reg support rm all traces of sofia and rebuild or face certian doom

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@2843 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/freeswitch.xml

@@ -476,6 +476,12 @@
   </section>
 
   <section name="directory" description="User Directory">
+    <domain name="mydomain.com">
+      <user id="1000">
+	<param name="password" value="mypass"/>
+	<param name="mypref" value="myval"/>
+	</user>
+    </domain>
   </section>
 
 </document>

src/switch_xml.c

@@ -168,8 +168,7 @@ SWITCH_DECLARE(switch_xml_t) switch_xml_find_child(switch_xml_t node, char *chil
 
 	for (p = switch_xml_child(node, childname); p; p = p->next) {
 		const char *aname = switch_xml_attr(p, attrname);
-
-		if (!strcasecmp(aname, value)) {
+		if (aname && value && !strcasecmp(aname, value)) {
 			break;
 		}
 	}