some fixes

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/gsoc2009-sploving@11589 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/scilab/scilab.swg

@@ -1,6 +1,5 @@
 %include <typemaps/swigmacros.swg>
 %include <typemaps/fragments.swg>
 %include <sciruntime.swg>
-%include <sciprimtypes.swg>
 %include <scitypemaps.swg>
 

Lib/scilab/sciprimtypes.swg

@@ -1 +0,0 @@
-

Lib/scilab/sciruntime.swg

@@ -1,10 +1,15 @@
 %insert(runtime) "swigrun.swg";
 %insert(runtime) "swigerrors.swg";
 %insert(runtime) %{
-
+#ifdef __cplusplus
+extern "C" {
+#endif
 void SWIG_Error(int code, const char *msg) {
   Scierror(code, _("%s\n"), msg);
 }
+#ifdef __cplusplus
+}
+#endif
 
 #define SWIG_contract_assert(expr, msg) if (!(expr)) { SWIG_Error(999, msg); } else