wine.inf: Add Protected Storage System Provider key.
diff --git a/tools/wine.inf b/tools/wine.inf
index c311cd9..5428750 100644
--- a/tools/wine.inf
+++ b/tools/wine.inf
@@ -334,6 +334,7 @@
 HKLM,Software\Microsoft\Rpc\SecurityService,9,2,"secur32.dll"
 HKLM,System\CurrentControlSet\Control\Session Manager,,,""
 HKLM,System\CurrentControlSet\Control\VMM32Files,,,""
+HKCU,Software\Microsoft\Protected Storage System Provider,,,""
 HKCU,Software\Wine\MSHTML,"GeckoUrl",,"http://source.winehq.org/winegecko.php"
 HKLM,HARDWARE\DEVICEMAP\PARALLEL PORTS,,,""
 HKLM,HARDWARE\DEVICEMAP\SERIALCOMM,,,""