Don't use FcCharSetCopy in FcCharSetMerge

The Copy function is actually a ref, not real copy.

1 files changed, 4 insertions, 3 deletions

diff --git a/src/fccharset.c b/src/fccharset.c
index 1891f08..2daa39d 100644
--- a/src/fccharset.c
+++ b/src/fccharset.c
@@ -459,14 +459,15 @@ FcCharSetMerge (FcCharSet *a, const FcCharSet *b)
     FcCharSetIter    ai, bi;
 
     if (a == NULL) {
-	return FcCharSetCopy ((FcCharSet *) b);
+	fcs = a = FcCharSetCreate ();
     } else if (a->ref == FC_REF_CONSTANT) {
 	fcs = FcCharSetCreate ();
-	if (fcs == NULL)
-	    return NULL;
     } else
 	fcs = a;
 
+    if (fcs == NULL)
+	return NULL;
+
     FcCharSetIterStart (a, &ai);
     FcCharSetIterStart (b, &bi);
     while (ai.leaf || bi.leaf)