Update Go versions for CI

.travis.yml

@@ -3,6 +3,7 @@ sudo: false
 
 go:
   - 1.8.3
+  - 1.9
   - tip
 
 os:
@@ -17,11 +18,13 @@ matrix:
   exclude:
     - os: osx
       go: tip
-    - os: linux
+    - os: osx
       go: 1.8.3
+    - os: linux
+      go: 1.9
   include:
     - os: linux
-      go: 1.8.3
+      go: 1.9
       sudo: true
       env:
         RESTIC_TEST_FUSE=1

appveyor.yml

@@ -17,8 +17,8 @@ init:
 
 install:
   - rmdir c:\go /s /q
-  - appveyor DownloadFile https://storage.googleapis.com/golang/go1.8.3.windows-amd64.msi
-  - msiexec /i go1.8.3.windows-amd64.msi /q
+  - appveyor DownloadFile https://storage.googleapis.com/golang/go1.9.windows-amd64.msi
+  - msiexec /i go1.9.windows-amd64.msi /q
   - go version
   - go env
   - appveyor DownloadFile http://sourceforge.netcologne.de/project/gnuwin32/tar/1.13-1/tar-1.13-1-bin.zip -FileName tar.zip