fix(Dockerfile): use the right glide 0.8.0 download URL

Author: arschles

rootfs/Dockerfile

@@ -5,10 +5,10 @@ ENV GLIDE_HOME=/root
 
 WORKDIR /tmp
 
-RUN wget https://github.com/Masterminds/glide/releases/download/0.7.2/glide-0.8.0-linux-amd64.tar.gz && \
-    tar xvfz glide-0.8.0-linux-amd64.tar.gz && \
-    mv linux-amd64/glide /usr/local/bin/ && \
-    rm -rf linux-amd64 glide-0.8.0-linux-amd64.tar.gz
+RUN wget https://github.com/Masterminds/glide/releases/download/0.8.0/glide-0.8.0-linux-amd64.tar.gz && \
+  tar xvfz glide-0.8.0-linux-amd64.tar.gz && \
+  mv linux-amd64/glide /usr/local/bin/ && \
+  rm -rf linux-amd64 glide-0.8.0-linux-amd64.tar.gz
 
 RUN go get -u -v github.com/golang/lint/golint