add static so multiple files can each have their own Pool()

code/Rufl/hfile.cpp

@@ -60,7 +60,7 @@ struct SOpenFile
 };
 typedef	ratl::handle_pool_vs<SOpenFile, MAX_OPEN_FILES>		TFilePool;
 
-TFilePool&	Pool()
+static TFilePool&	Pool()
 {
 	static TFilePool TFP;
 	return TFP;

code/Rufl/hstring.cpp

@@ -43,7 +43,7 @@
 typedef	ratl::hash_pool<BLOCK_SIZE, MAX_HASH>		TStrPool;
 
 
-TStrPool&	Pool()
+static TStrPool&	Pool()
 {
 	static TStrPool TSP;
 	return TSP;