Update .travis.yml

sambitdash · web-flow · commit b7e0c1155919 · 2019-08-12T00:29:15.000+05:30
Adding windows build
diff --git a/.travis.yml b/.travis.yml
@@ -7,7 +7,7 @@ julia:
 os:
   - linux
   - osx
-
+  - windows
 matrix:
  allow_failures:
  - julia: nightly
