Rename axiom_soap_fault_sub_code_get_subcode

* Rename axiom_soap_fault_sub_code_get_subcode to match what is listed in
the header file (axiom_soap_fault_sub_code_get_sub_code).
* Add wrapper function named axiom_soap_fault_sub_code_get_subcode to
maintain API compatibility until it can be deprecated and safely removed.
diff --git a/axiom/src/soap/soap_fault_sub_code.c b/axiom/src/soap/soap_fault_sub_code.c
index 904b406..cfaabef 100644
--- a/axiom/src/soap/soap_fault_sub_code.c
+++ b/axiom/src/soap/soap_fault_sub_code.c
@@ -222,11 +222,22 @@
     return AXIS2_FAILURE;
 }
 
+/* Deprecated - use axiom_soap_fault_sub_code_get_sub_code */
+/* TODO remove in 2.0 */
 AXIS2_EXTERN axiom_soap_fault_sub_code_t *AXIS2_CALL
 axiom_soap_fault_sub_code_get_subcode(
     axiom_soap_fault_sub_code_t * fault_sub_code,
     const axutil_env_t * env)
 {
+    return axiom_soap_fault_sub_code_get_sub_code(fault_sub_code, env);
+}
+
+
+AXIS2_EXTERN axiom_soap_fault_sub_code_t *AXIS2_CALL
+axiom_soap_fault_sub_code_get_sub_code(
+    axiom_soap_fault_sub_code_t * fault_sub_code,
+    const axutil_env_t * env)
+{
     int status = AXIS2_SUCCESS;
 
     if(fault_sub_code->builder)