appveyor: Clean cache when updating appveyor.yml

diff --git a/appveyor.yml b/appveyor.yml
index 13f8ec1de78b749b37a42f31957e1f64c75a31b2..05c72cd75fce34a9411b38646d30a40993cc583d 100644 (file)
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,7 +15,7 @@ branches:
     - master
 
 cache:
-- build
+- build -> appveyor.yml
 - vendor -> tools\win32\download-openssl.ps1
 - C:\ProgramData\chocolatey\lib\winflexbison3