chore(Dockerfile): update go toolchain to 1.7.5

mboersma · mboersma · commit 20f267a2e969 · 2017-01-31T16:44:47.000-07:00
See https://github.com/golang/go/issues?q=milestone%3AGo1.7.5
diff --git a/rootfs/Dockerfile b/rootfs/Dockerfile
@@ -1,6 +1,6 @@
 FROM quay.io/deis/base:v0.3.6
 
-ENV GO_VERSION=1.7.4 \
+ENV GO_VERSION=1.7.5 \
     GLIDE_VERSION=v0.12.3 \
     GLIDE_HOME=/root \
     PATH=$PATH:/usr/local/go/bin:/go/bin \
