turn of ms already instantiated warning

src/cas/example/simple/exPV.cc

@@ -4,10 +4,19 @@
 #include "exServer.h"
 #include "gddApps.h"
 
+#if defined ( _MSC_VER )
+#   pragma warning ( push )
+#   pragma warning ( disable: 4660 )
+#endif
+
 template class gddAppFuncTable < exPV >;
 template class tsSLNode < pvEntry >;
 template class resTable < pvEntry, stringId >;
 
+#if defined ( _MSC_VER )
+#   pragma warning ( pop )
+#endif
+
 //
 // static data for exPV
 //

src/cas/example/simple/exServer.cc

@@ -8,8 +8,17 @@
 //
 #include "exServer.h"
 
+#if defined ( _MSC_VER )
+#   pragma warning ( push )
+#   pragma warning ( disable: 4660 )
+#endif
+
 template class tsSLNode < exPV >;
 
+#if defined ( _MSC_VER )
+#   pragma warning ( pop )
+#endif
+
 //
 // static list of pre-created PVs
 //