Update ICU to 58.1

source/common/rbbisetb.cpp

Index: source/common/rbbisetb.cpp
diff --git a/source/common/rbbisetb.cpp b/source/common/rbbisetb.cpp
index cd855f7f250eedfffc2bc5b0a865a299b1e27231..ebdf8b7fb9040962c6c3d33ab6df9b6cd160d16d 100644
--- a/source/common/rbbisetb.cpp
+++ b/source/common/rbbisetb.cpp
@@ -1,3 +1,5 @@
+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 //
 //  rbbisetb.cpp
 //
@@ -546,7 +548,7 @@ void RBBISetBuilder::printSets() {
         RBBI_DEBUG_printUnicodeString(usetNode->fText);
         RBBIDebugPrintf("\n");
         if (usetNode->fLeftChild != NULL) {
-            usetNode->fLeftChild->printTree(TRUE);
+            RBBINode::printTree(usetNode->fLeftChild, TRUE);
         }
     }
     RBBIDebugPrintf("\n");