* increase PPU version due to Extended RTTI related changes

compiler/ppu.pas

@@ -48,7 +48,7 @@ const
   CurrentPPUVersion = 208;
   { for any other changes to the ppu format, increase this version number
     (it's a cardinal) }
-  CurrentPPULongVersion = 20;
+  CurrentPPULongVersion = 19;
 
 { unit flags }
   uf_big_endian          = $000004;