Merge pull request #6 from kunitoo/fix-typo-dockerfile

Fix typo in Dockerfile

Dockerfile

@@ -8,13 +8,13 @@ ENV DOCKER_VERSION 17.03.2-ce
 RUN apk add --no-cache wget ruby-rake git gcc make tar bison openssl-dev pcre-dev libc-dev
 RUN mkdir -p /usr/local/src
 
-WORKDIR /usr/loca/src
+WORKDIR /usr/local/src
 
 RUN wget https://github.com/matsumotory/ngx_mruby/archive/$NGINX_MRUBY_VERSION.tar.gz -O ngx_mruby.tar.gz
 RUN mkdir ngx_mruby
 RUN	tar --extract --file ngx_mruby.tar.gz --strip-components 1 --directory ngx_mruby
 
-WORKDIR /usr/loca/src/ngx_mruby
+WORKDIR /usr/local/src/ngx_mruby
 
 RUN wget -O /tmp/docker.tgz "https://download.docker.com/linux/static/${DOCKER_CHANNEL}/x86_64/docker-${DOCKER_VERSION}.tgz"
 RUN tar --extract --file /tmp/docker.tgz --strip-components 1 --directory /usr/bin