ENH: fix warning on borland

Source/kwsys/SystemTools.cxx

@@ -405,17 +405,17 @@ bool SystemTools::GetEnv(const char* key, kwsys_stl::string& result)
 class kwsysDeletingCharVector : public kwsys_stl::vector<char*>
 {
 public:
-  ~kwsysDeletingCharVector()
-    {
+  ~kwsysDeletingCharVector();
+};
+
+kwsysDeletingCharVector::~kwsysDeletingCharVector()
+{
   for(kwsys_stl::vector<char*>::iterator i = this->begin();
       i != this->end(); ++i)
     {
     delete []*i;
     }
-    }
-};
-
-        
+}
 bool SystemTools::PutEnv(const char* value)
 { 
   static kwsysDeletingCharVector localEnvironment;