[gimp-web/oscp] And missing gettext

[Andrea Veri <averi src gnome org>]

commit ac6d31fc946b0c9100bb8f20b4248972d1026ddd
Author: Andrea Veri <averi redhat com>
Date:   Fri Mar 13 22:21:02 2020 +0100

    And missing gettext

 docs.gimp.org/docs_build/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/docs.gimp.org/docs_build/Dockerfile b/docs.gimp.org/docs_build/Dockerfile
index ebb213f3..4b281a06 100644
--- a/docs.gimp.org/docs_build/Dockerfile
+++ b/docs.gimp.org/docs_build/Dockerfile
@@ -4,7 +4,7 @@ USER root
 COPY entrypoint.sh /tmp/entrypoint.sh
 RUN yum install -y docbook-dtds docbook-style-dsssl docbook-style-xsl rsync \
                    docbook-utils-pdf docbook-utils git autoconf automake make \
-                   libxslt
+                   libxslt gettext
 
 RUN groupadd gimpdocs -g 1000580000 && \
     useradd gimpdocs -g 1000580000 -u 1000580000 -r -l -m