Really activate Thai. /me hates these 20th century systems where it's not

enough to have the PO file and one should "declare" the language in LIGUAS.

po/LINGUAS

@@ -105,6 +105,9 @@ sk
 # Swedish - Peter Karlsson <peterk@debian.org>
 sv
 
+# Thai - Theppitak Karoonboonyanan <thep@linux.thai.net>
+th
+
 # Tagalog - Eric Pareja <xenos@upm.edu.ph>
 tl