[gimp-web/oscp] rsync also missing

[Andrea Veri <averi src gnome org>]

commit b210aa0d3c4e7dbac296613226856326bba83fb4
Author: Andrea Veri <averi redhat com>
Date:   Wed Sep 8 13:48:26 2021 +0200

    rsync also missing

 testing.docs.gimp.org/docs_build/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/testing.docs.gimp.org/docs_build/Dockerfile b/testing.docs.gimp.org/docs_build/Dockerfile
index 1ac6263d..d8879b16 100644
--- a/testing.docs.gimp.org/docs_build/Dockerfile
+++ b/testing.docs.gimp.org/docs_build/Dockerfile
@@ -4,7 +4,7 @@ USER root
 RUN apt-get update && apt-get install -y --no-install-recommends \ 
     automake build-essential docbook-xml docbook-xsl pkg-config \
     pngcrush pngnq python3 python3-libxml2 xsltproc gettext git \
-    ca-certificates 
+    ca-certificates rsync 
 
 RUN groupadd gimpdocs -g 1000580000 && \
     useradd gimpdocs -g 1000580000 -u 1000580000 -r -l -m