travis: force use of Go 1.11.4

The calculation of checksums in go.sum was changed in Go 1.11.4 (golang/go#29191) and so any go.sum contents created with that or a later version are incompatible.
daviddrysdale · Feb 12, 2019 · c5d5324 · c5d5324
1 parent fb12351
commit c5d5324
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -19,7 +19,7 @@ os:
   - linux
 
 go:
-  - "1.11"
+  - "1.11.4"
 
 go_import_path: github.com/google/trillian