tweak dexcom packaging

Author: bewest

setup.py

@@ -32,7 +32,7 @@ def readme():
         'Topic :: Software Development :: Libraries'
     ],
     package_data={
-      'dexcom_reader': ['etc/udev/rules.d/*'], 'etc': 'etc/udev/rules.d/*'[]
+      'dexcom_reader': ['etc/udev/rules.d/*'], 'etc': ['etc/udev/rules.d/*']
     },
     data_files = [
       ('/etc/udev/rules.d/80-dexcom.rules', ['etc/udev/rules.d/80-dexcom.rules'] ),