Fix build bustage.

netwerk/test/TestCacheService.cpp

@@ -96,6 +96,7 @@ TestMemoryObjectCache()
     printf("\nTest ACCESS_READ:\n");
     rv = session->OpenCacheEntry("non-existent entry",
                                  nsICache::ACCESS_READ,
+                                 nsICache::BLOCKING,
                                  getter_AddRefs(descriptor));
     if (rv != NS_ERROR_CACHE_KEY_NOT_FOUND)
         printf("OpenCacheEntry(ACCESS_READ) returned: %x for non-existent entry\n", rv);

netwerk/test/TestMCTransport.cpp

@@ -159,6 +159,7 @@ nsresult TestMCTransport(const char *filename)
 
     rv = session->OpenCacheEntry(filename,
                                  nsICache::ACCESS_READ_WRITE,
+                                 nsICache::BLOCKING,
                                  &desc);
     if (NS_FAILED(rv)) return rv;