Use the separate libzstd-static package.

Author: khuey

src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile

@@ -25,7 +25,7 @@ RUN yum upgrade -y && \
       libedit-devel \
       libstdc++-devel.i686 \
       libstdc++-devel.x86_64 \
-      libzstd-devel.x86_64 \
+      libzstd-static.x86_64 \
       make \
       ncurses-devel \
       openssl-devel \