fix compilation with cython 0.15.1

Need to help cython to find out that a new CalibrationSetting is a CalibrationSetting, otherwise
it thinks that its properties are python objects.

diff --git a/pycomedi/calibration.pyx b/pycomedi/calibration.pyx
index f68eb96ff25d9fd727796796a65cf5b56cc1c865..248745befb20ce3b13f7126b4242b85c10761918 100644 (file)
--- a/pycomedi/calibration.pyx
+++ b/pycomedi/calibration.pyx
@@ -673,7 +673,7 @@ cdef class Calibration (object):
             return None
         ret = []
         for i in range(self.calibration.num_settings):
-            s = CalibrationSetting(
+            s = <CalibrationSetting> CalibrationSetting(
                 subdevice=self.device.subdevice(
                     index=self.calibration.settings[i].subdevice))
             s.setting = &self.calibration.settings[i]