Fix comment in procarray.c
The description of GlobalVisDataRels was missing, GlobalVisCatalogRels
being mentioned instead.
Author: Jim Nasby
Discussion:
@@ -146,7 +146,7 @@ typedef struct ProcArrayStruct
* I.e. the difference to GlobalVisSharedRels is that
* snapshot in other databases are ignored.
*
- * 3) GlobalVisCatalogRels, which only considers an XID's
+ * 3) GlobalVisDataRels, which only considers an XID's
* effects visible-to-everyone if neither snapshots in the current
* database, nor a replication slot's xmin consider XID as running.
*
