[library-web/oscp] Go with cd instead

[Andrea Veri <averi src gnome org>]

commit dedcf7ce3b481456d7b1c92bf001b6e6b2e33db6
Author: Andrea Veri <averi redhat com>
Date:   Thu Feb 13 20:35:19 2020 +0100

    Go with cd instead

 httpd/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/httpd/Dockerfile b/httpd/Dockerfile
index cf94f3a..5d3528a 100644
--- a/httpd/Dockerfile
+++ b/httpd/Dockerfile
@@ -4,7 +4,7 @@ USER root
 RUN yum install -y python-html5lib python-sqlite2 git python2-django python27-mod_wsgi && \
     yum -y clean all --enablerepo='*'
 
-RUN git clone https://gitlab.gnome.org/Infrastructure/library-web.git /opt/app-root/src
+RUN cd /opt/app-root/src && git clone https://gitlab.gnome.org/Infrastructure/library-web.git
 
 ADD developer.lgorc /opt/app-root/src