Fix broken build

Author: David Chung

circle.yml

@@ -13,7 +13,7 @@ machine:
     E2E_CLEANUP: "false"
     SKIP_TESTS: "docker,etcd"
     S3_MINIO: "s3bucket"
-    S3_BUCKET: "s3ucket/infrakit/build/linux-amd64"
+    S3_BUCKET: "s3bucket/infrakit/build/linux-amd64"
     S3_BUILD_PR: "infrakit-pr-$CIRCLE_PR_NUMBER-tar.gz"
     S3_BUILD_RELEASE: "infrakit-$CIRCLE_BRANCH.tar.gz"
     S3_BUILD_MASTER: "infrakit-master-$CIRCLE_BUILD_NUM.tar.gz"