Fixed one more place needing getmaskorNone

svn path=/trunk/matplotlib/; revision=1978

Author: teoliphant

lib/matplotlib/colors.py

@@ -504,7 +504,7 @@ def __call__(self, X, alpha=1.0):
             vtype = 'array'
             xma = ma.asarray(X)
             xa = xma.filled(0)
-            mask_bad = ma.getmask(xma)
+            mask_bad = ma.getmaskorNone(xma)
         if typecode(xa) in typecodes['Float']:
             xa = where(xa == 1.0, 0.9999999, xa) # Tweak so 1.0 is in range.
             xa = (xa * self.N).astype(Int)