Merge pull request #144 from DIRACGrid/xrootd-remove-setrlimit

HACK: Remove setrlimit in XRootD

Author: chrisburr

construct.yaml

@@ -4,6 +4,7 @@ name: DIRACOS
 version: 2.51a1
 
 channels:
+  - diracgrid/label/xrootd-ulimit-bug
   - diracgrid
   - conda-forge
 
@@ -117,5 +118,5 @@ specs:
   # Probably not needed
   - lz4
   - python-xxhash
-  - xrootd >=5
+  - xrootd 5.7.3 *_2
   - ldap3