[gtk-osx] Get libicu to have correct install_names.

[John Ralls <jralls src gnome org>]

commit 820e9f9e596a956831c8b509f419be7ddba9f32f
Author: John Ralls <jralls ceridwen us>
Date:   Mon May 23 13:11:19 2016 -0700

    Get libicu to have correct install_names.

 modulesets-stable/gtk-osx-bootstrap.modules |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modulesets-stable/gtk-osx-bootstrap.modules b/modulesets-stable/gtk-osx-bootstrap.modules
index 9186b89..e101857 100644
--- a/modulesets-stable/gtk-osx-bootstrap.modules
+++ b/modulesets-stable/gtk-osx-bootstrap.modules
@@ -124,7 +124,7 @@
     </dependencies>
   </autotools>
 
-  <autotools id="icu" autogen-sh="source/configure"
+  <autotools id="icu" autogen-sh="source/configure" autogenargs="--enable-rpath"
              makeargs='CFLAGS="$CFLAGS -DU_CHARSET_IS_UTF8=1 -DU_USING_ICU_NAMESPACE=0"'>
     <branch repo="icu" version="55.1" checkoutdir="icu"
             module="icu4c/55.1/icu4c-55_1-src.tgz"/>