libsm: new version, depends_on libuuid (#18117)

* libsm: new version, depends_on libuuid

* blank lines

Co-authored-by: Marc Mengel <mengel@fnal.gov>

var/spack/repos/builtin/packages/libsm/package.py

@@ -12,9 +12,11 @@ class Libsm(AutotoolsPackage, XorgPackage):
     homepage = "http://cgit.freedesktop.org/xorg/lib/libSM"
     xorg_mirror_path = "lib/libSM-1.2.2.tar.gz"
 
+    version('1.2.3', sha256='1e92408417cb6c6c477a8a6104291001a40b3bb56a4a60608fdd9cd2c5a0f320')
     version('1.2.2', sha256='14bb7c669ce2b8ff712fbdbf48120e3742a77edcd5e025d6b3325ed30cf120f4')
 
     depends_on('libice@1.0.5:')
+    depends_on('libuuid')
 
     depends_on('xproto', type='build')
     depends_on('xtrans', type='build')