regcomp.c: Use NULL first parameter to _invlist_union

A previous commit has changed _invlist_union() to accept a NULL
first parameter.  This takes advantage of that to simplify some code.

1 files changed, 1 insertions, 6 deletions

diff --git a/regcomp.c b/regcomp.c
index e474b30735..27309ff117 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -10444,12 +10444,7 @@ parseit:
                             swash = NULL;
                         }
                         else {
-			    if (! properties) {
-				properties = invlist_clone(invlist);
-			    }
-			    else {
-				_invlist_union(properties, invlist, &properties);
-			    }
+                            _invlist_union(properties, invlist, &properties);
 			}
 		    }
 		    Safefree(name);