Update Stackage LTS to 11.8

Author: Mitsutoshi Aoe

stack.yaml

@@ -1,6 +1,11 @@
-resolver: lts-9.2
+resolver: lts-11.8
 packages:
 - .
 extra-deps:
+- Cabal-2.0.1.1
+- Win32-2.3.1.1
+- gio-0.13.5.0
+- gtk-0.14.9
 - gtk-mac-integration-0.3.4.0
+- process-1.4.3.0
 flags: {}