Use SPDX 3.0 license identifier

SPDX released version 3 of their license list (<https://spdx.org/licenses/>),
which changed the FSF licenses to explicitly end in -only or -or-later
instead of relying on an easy to miss + symbol.

Bug: T183858
Change-Id: Id75a37eab27282ca7797fa3e6ceb92750c59477f

data/fontrepo/fonts/Myanmar3/font.ini

@@ -1,6 +1,6 @@
 [Myanmar3]
 languages=my
 version=3.0
-license=LGPL-2.1+
+license=LGPL-2.1-or-later
 licensefile=lgpl-2.1.txt
 url=http://code.google.com/p/myanmar3source/