fix(travis-ci): helps if you get the shell syntax right...

Author: hyperthunk

.travis.yml

@@ -26,14 +26,14 @@ install:
 - stack ${ARGS} setup --no-terminal
 
 script:
-- case "$COVER" of
-  true)
-    stack ${ARGS} test --coverage --no-terminal
-    ./coverage.sh
-    ;;
-  *)
-    stack ${ARGS} test --test-arguments='--plain'
-    ;;
+- case "$COVER" in
+    true)
+      stack ${ARGS} test --coverage --no-terminal;
+      ./coverage.sh;
+      ;;
+    *)
+      stack ${ARGS} test --test-arguments='--plain'
+      ;;
   esac
 
 deploy: