[gtk-osx] Update xz and cmake to the latest releases.

[John Ralls <jralls src gnome org>]

commit 2a63ff4d3c2037557db6aae46281dc14d8410c15
Author: John Ralls <jralls ceridwen us>
Date:   Mon Jun 10 14:10:51 2019 -0700

    Update xz and cmake to the latest releases.
    
    Gettext is held back at 0.19.8 because they screwed up the libintl
    version (moving it back to 8 from 9) in 0.20.0.

 modulesets-stable/bootstrap.modules | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/modulesets-stable/bootstrap.modules b/modulesets-stable/bootstrap.modules
index e182147..16e7af0 100644
--- a/modulesets-stable/bootstrap.modules
+++ b/modulesets-stable/bootstrap.modules
@@ -26,7 +26,7 @@
   </autotools>
 
   <autotools id="xz" autogen-sh="configure" bootstrap="true">
-    <branch repo="tukaani.org" module="xz/xz-5.2.3.tar.bz2" version="5.2.3"/>
+    <branch repo="tukaani.org" module="xz/xz-5.2.4.tar.bz2" version="5.2.4"/>
   </autotools>
 
 
@@ -49,7 +49,7 @@
   <!-- cmakes ./configure is picky about invalid flags so we manually set it -->
   <autotools id="cmake" autogen-sh="bootstrap"
              autogen-template="%(srcdir)s/%(autogen-sh)s --prefix=%(prefix)s">
-    <branch repo="cmake" module="v3.12/cmake-3.12.4.tar.gz" version="3.12.4">
+    <branch repo="cmake" module="v3.14/cmake-3.14.5.tar.gz" version="3.14.5">
     </branch>
   </autotools>