xml.etree.cElementTree was deprecated in Python 3.3 (#189)

https://docs.python.org/3/library/xml.etree.elementtree.html
> _Deprecated since version 3.3_: The `xml.etree.cElementTree` module is deprecated.

Author: cclauss

pylib/gyp/generator/eclipse.py

@@ -24,7 +24,7 @@
 import gyp.common
 import gyp.msvs_emulation
 import shlex
-import xml.etree.cElementTree as ET
+import xml.etree.ElementTree as ET
 
 generator_wants_static_library_dependencies_adjusted = False