Add check-files.py to travis.yml
diff --git a/.travis.yml b/.travis.yml
index f30a4e3..91a36c9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@
 - tests/scripts/check-generated-files.sh
 - tests/scripts/check-doxy-blocks.pl
 - tests/scripts/check-names.sh
+- tests/scripts/check-files.py
 - cmake -D CMAKE_BUILD_TYPE:String="Check" .
 - make
 - make test