ctapi32: Use the Unix call helpers.

dlls/ctapi32/ctapi32.c

@@ -32,9 +32,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(ctapi32);
 
 #define FALLBACK_LIBCTAPI "libctapi.so"
 
-static unixlib_handle_t ctapi_handle;
-
-#define CTAPI_CALL( func, params ) __wine_unix_call( ctapi_handle, unix_ ## func, params )
+#define CTAPI_CALL( func, params ) WINE_UNIX_CALL( unix_ ## func, params )
 
 
 static BOOL load_functions(void) {
@@ -104,8 +102,7 @@ BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
     {
         case DLL_PROCESS_ATTACH:
             DisableThreadLibraryCalls(hinstDLL);
-            if (NtQueryVirtualMemory( GetCurrentProcess(), hinstDLL, MemoryWineUnixFuncs,
-                                      &ctapi_handle, sizeof(ctapi_handle), NULL ))
+            if (__wine_init_unix_call())
                 return FALSE;
             if (!load_functions())
 		return FALSE;