add periodcentered (U+00B7) to lib.plist public.glyphOrder list for subsets

source/subset-lib/lib-bolditalic.plist

@@ -1938,6 +1938,7 @@
 		<string>dieresistonos</string>
 		<string>_1554</string>
 		<string>Aacute</string>
+		<string>periodcentered</string>
 		<string>Ccircumflex</string>
 		<string>ccircumflex</string>
 		<string>Gcircumflex</string>