Fix double slash after $PREFIX
I noticed this in the build output;
```
16:05:07 [100%] Built target tini-static
16:05:07 + mkdir -p /build/
16:05:07 + cp tini-static /build//docker-init
```
@@ -115,51 +115,51 @@ FROM base AS tomlv
ENV INSTALL_BINARY_NAME=tomlv
COPY hack/dockerfile/install/install.sh ./install.sh
COPY hack/dockerfile/install/$INSTALL_BINARY_NAME.installer ./
-RUN PREFIX=/build/ ./install.sh $INSTALL_BINARY_NAME
+RUN PREFIX=/build ./install.sh $INSTALL_BINARY_NAME
FROM base AS vndr
ENV INSTALL_BINARY_NAME=vndr
COPY hack/dockerfile/install/install.sh ./install.sh
COPY hack/dockerfile/install/$INSTALL_BINARY_NAME.installer ./
-RUN PREFIX=/build/ ./install.sh $INSTALL_BINARY_NAME
+RUN PREFIX=/build ./install.sh $INSTALL_BINARY_NAME
FROM base AS containerd
RUN apt-get update && apt-get install -y btrfs-tools
ENV INSTALL_BINARY_NAME=containerd
COPY hack/dockerfile/install/install.sh ./install.sh
COPY hack/dockerfile/install/$INSTALL_BINARY_NAME.installer ./
-RUN PREFIX=/build/ ./install.sh $INSTALL_BINARY_NAME
+RUN PREFIX=/build ./install.sh $INSTALL_BINARY_NAME
FROM base AS proxy
ENV INSTALL_BINARY_NAME=proxy
COPY hack/dockerfile/install/install.sh ./install.sh
COPY hack/dockerfile/install/$INSTALL_BINARY_NAME.installer ./
-RUN PREFIX=/build/ ./install.sh $INSTALL_BINARY_NAME
+RUN PREFIX=/build ./install.sh $INSTALL_BINARY_NAME
FROM base AS gometalinter
ENV INSTALL_BINARY_NAME=gometalinter
COPY hack/dockerfile/install/install.sh ./install.sh
COPY hack/dockerfile/install/$INSTALL_BINARY_NAME.installer ./
-RUN PREFIX=/build/ ./install.sh $INSTALL_BINARY_NAME
+RUN PREFIX=/build ./install.sh $INSTALL_BINARY_NAME
FROM base AS dockercli
ENV INSTALL_BINARY_NAME=dockercli
COPY hack/dockerfile/install/install.sh ./install.sh
COPY hack/dockerfile/install/$INSTALL_BINARY_NAME.installer ./
-RUN PREFIX=/build/ ./install.sh $INSTALL_BINARY_NAME
+RUN PREFIX=/build ./install.sh $INSTALL_BINARY_NAME
FROM runtime-dev AS runc
ENV INSTALL_BINARY_NAME=runc
COPY hack/dockerfile/install/install.sh ./install.sh
COPY hack/dockerfile/install/$INSTALL_BINARY_NAME.installer ./
-RUN PREFIX=/build/ ./install.sh $INSTALL_BINARY_NAME
+RUN PREFIX=/build ./install.sh $INSTALL_BINARY_NAME
FROM base AS tini
RUN apt-get update && apt-get install -y cmake vim-common
COPY hack/dockerfile/install/install.sh ./install.sh
ENV INSTALL_BINARY_NAME=tini
COPY hack/dockerfile/install/$INSTALL_BINARY_NAME.installer ./
-RUN PREFIX=/build/ ./install.sh $INSTALL_BINARY_NAME
+RUN PREFIX=/build ./install.sh $INSTALL_BINARY_NAME
