Merge pull request #2217 from aaronlehmann/fix-vendor-validation

Fix vendor validation

circle.yml

@@ -50,7 +50,7 @@ test:
     - gvm use stable && go version
 
   # Ensure validation of dependencies
-    - gvm use stable && if test -n "`git diff --stat=1000 master | grep -E \"^[[:space:]]*vendor\"`"; then make dep-validate; fi:
+    - gvm use stable && if test -n "`git diff --stat=1000 origin/master | grep -E \"^[[:space:]]*vendor\"`"; then make dep-validate; fi:
         pwd: $BASE_STABLE
 
   # First thing: build everything. This will catch compile errors, and it's