Generate swiglabels code earlier on in runtime code

Since the recent inclusion of <utility>, the warning suppressions in
swiglabels.swg stopped working as they appear after this include file.

In particular, The _MSC_VER warnings were not working.

Lib/swig.swg

@@ -602,6 +602,10 @@ namespace std {
  *  Runtime code
  * ----------------------------------------------------------------------------- */
 
+
+%insert("runtime") "swiglabels.swg"
+
+
 /*  The SwigValueWrapper class  */
 
 /*  
@@ -703,8 +707,3 @@ template <typename T> T SwigValueInit() {
 %}
 #endif
 
-/*  The swiglabels  */
-
-%insert("runtime") "swiglabels.swg"
-
-