Change ezca result to int to avoid exception later.

Fix an exception when decoding SWSTAT if cdsutils has to go get the value from epics. Value returned as float, but then bit wise and '&' applied to it.

cdsutils/sfm.py

@@ -272,7 +272,7 @@ def cmd_decode(args):
         try:
             SWSTAT = int(sw)
         except ValueError:
-            SWSTAT = Ezca().read(sw)
+            SWSTAT = int(Ezca().read(sw))
         buttons = SFMask.from_swstat(SWSTAT)
     elif len(args.SW) == 2:
         try: