AppVeyor: update to go 1.12.9

tao12345666333 · thaJeztah · commit 17690cc2fe57 · 2019-08-16T10:33:31.000+02:00
Signed-off-by: Jintao Zhang <zhangjintao9020@gmail.com> (cherry picked from commit 7682acb) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
diff --git a/.appveyor.yml b/.appveyor.yml
@@ -13,7 +13,7 @@ environment:
   GOPATH: C:\gopath
   CGO_ENABLED: 1
   matrix:
-    - GO_VERSION: 1.12.8
+    - GO_VERSION: 1.12.9
 
 before_build:
   - choco install -y mingw --version 5.3.0
