.gitignore += *_dsoinfo.py

setuptools_dso 2 started to emit those autogenerated files.
See https://github.com/mdavidsaver/setuptools_dso/pull/15 for details.

.gitignore

@@ -6,6 +6,7 @@ build/
 
 *.o
 *.so
+*_dsoinfo.py
 
 /dist/
 *.egg-info