cryptdll: Change storage class of module handle to static

[Andrew Talbot]

Changelog:
    cryptdll: Change storage class of module handle to static.

diff -urN a/dlls/cryptdll/cryptdll.c b/dlls/cryptdll/cryptdll.c
--- a/dlls/cryptdll/cryptdll.c	2006-09-29 15:48:42.000000000 +0100
+++ b/dlls/cryptdll/cryptdll.c	2006-12-09 22:30:53.000000000 +0000
@@ -25,7 +25,7 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(cryptdll);
 
-HMODULE CRYPTDLL_hModule = 0;
+static HMODULE CRYPTDLL_hModule;
 
 BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 {