Fix the cnmem memory usage printed

theano/sandbox/cuda/__init__.py

@@ -572,7 +572,7 @@ def use(device,
                     if config.lib.cnmem > 1:
                         cnmem_enabled = "enabled with initial size: %d MB" % config.lib.cnmem
                     else:
-                        cnmem = min(config.lib.cnmem, 0.98) * 100
+                        cnmem = min(config.lib.cnmem, 0.95) * 100
                         cnmem_enabled = "enabled with initial size: %.1f%% of memory" % cnmem
                 else:
                     cnmem_enabled = "disabled"