AndorAtmcd: fix BaselineOffset and BaselineClamp settings.

A typo on the variable name meant that the BaselineOffset setting was
created with the BaselineClamp name and the BaselineClamp setting was
destroyed.

Author: carandraug

microscope/cameras/atmcd.py

@@ -1338,7 +1338,7 @@ def initialize(self):
                                           self._bind(SetBaselineClamp))
             self.settings[name].set(False)
         # BaselineOffset
-        nam = 'BaselineOffset'
+        name = 'BaselineOffset'
         if self._caps.ulSetFunctions & AC_SETFUNCTION_BASELINEOFFSET:
             self.settings[name] = Setting(name, 'int',
                                           None,