Update ICU to 58.1

source/config/test-icu-config.sh

Index: source/config/test-icu-config.sh
diff --git a/source/config/test-icu-config.sh b/source/config/test-icu-config.sh
index 20dfcc2dbc8956f8c25ffd9efc8664adc8139b2e..0f22484e160007f7df88d9763ee00e6a75442e4c 100755
--- a/source/config/test-icu-config.sh
+++ b/source/config/test-icu-config.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 ## -*-sh-*-
+## Copyright (C) 2016 and later: Unicode, Inc. and others.
+## License & terms of use: http://www.unicode.org/copyright.html
 ## Copyright (c) 2002, International Business Machines Corporation and
 ## others. All Rights Reserved.
 #
@@ -24,7 +26,6 @@ icu-config --invoke=genrb
 icu-config --invoke=./myapp
 icu-config --invoke=/path/to/myapp
 icu-config --ldflags                 
-icu-config --ldflags-layout          
 icu-config --ldflags-searchpath
 icu-config --ldflags-libsonly
 icu-config --ldflags-system          
@@ -45,5 +46,5 @@ icu-config --version
 icu-config --prefix=/tmp --bindir
 # following needs to point to an alternate path that will work 
 icu-config --prefix=/Users/srl/II --cflags
-icu-config --detect-prefix --ldflags --ldflags-layout
+icu-config --detect-prefix --ldflags