qa/workunits/rados: specify redirect in curl command

This workunit currently grabs files in html form, since
there is a redirect that occurs. If we specify `-L` in the
curl command, it handles redirects and graps the files
appropriately.

Fixes: https://tracker.ceph.com/issues/58046
Signed-off-by: Laura Flores <lflores@redhat.com>

qa/workunits/rados/test_librados_build.sh

@@ -44,7 +44,7 @@ function cleanup () {
 
 function get_sources () {
     for s in $SOURCES ; do
-        curl --progress-bar --output $s ${DL_PREFIX}$s
+        curl --progress-bar --output $s -L ${DL_PREFIX}$s
     done
 }