ox-latex: Fix Brazilian entry in Polyglossia languages

* lisp/ox-latex.el (org-latex-polyglossia-language-alist): Fix
Brazilian entry.  Sort lines.

lisp/ox-latex.el

@@ -211,13 +211,12 @@
 
 (defconst org-latex-polyglossia-language-alist
   '(("am" "amharic")
-    ("ast" "asturian")
     ("ar" "arabic")
-    ("bo" "tibetan")
-    ("bn" "bengali")
+    ("ast" "asturian")
     ("bg" "bulgarian")
+    ("bn" "bengali")
+    ("bo" "tibetan")
     ("br" "breton")
-    ("bt-br" "brazilian")
     ("ca" "catalan")
     ("cop" "coptic")
     ("cs" "czech")
@@ -226,6 +225,7 @@
     ("de" "german" "german")
     ("de-at" "german" "austrian")
     ("de-de" "german" "german")
+    ("dsb" "lsorbian")
     ("dv" "divehi")
     ("el" "greek")
     ("en" "english" "usmax")
@@ -247,40 +247,40 @@
     ("he" "hebrew")
     ("hi" "hindi")
     ("hr" "croatian")
+    ("hsb" "usorbian")
     ("hu" "magyar")
     ("hy" "armenian")
-    ("id" "bahasai")
     ("ia" "interlingua")
+    ("id" "bahasai")
     ("is" "icelandic")
     ("it" "italian")
     ("kn" "kannada")
     ("la" "latin" "modern")
-    ("la-modern" "latin" "modern")
     ("la-classic" "latin" "classic")
     ("la-medieval" "latin" "medieval")
+    ("la-modern" "latin" "modern")
     ("lo" "lao")
     ("lt" "lithuanian")
     ("lv" "latvian")
-    ("mr" "maranthi")
     ("ml" "malayalam")
-    ("nl" "dutch")
+    ("mr" "maranthi")
     ("nb" "norsk")
-    ("nn" "nynorsk")
     ("nko" "nko")
+    ("nl" "dutch")
+    ("nn" "nynorsk")
     ("no" "norsk")
     ("oc" "occitan")
     ("pl" "polish")
     ("pms" "piedmontese")
     ("pt" "portuges")
+    ("pt-br" "brazilian")
     ("rm" "romansh")
     ("ro" "romanian")
     ("ru" "russian")
     ("sa" "sanskrit")
-    ("hsb" "usorbian")
-    ("dsb" "lsorbian")
+    ("se" "samin")
     ("sk" "slovak")
     ("sl" "slovenian")
-    ("se" "samin")
     ("sq" "albanian")
     ("sr" "serbian")
     ("sv" "swedish")
@@ -295,8 +295,6 @@
     ("vi" "vietnamese"))
   "Alist between language code and corresponding Polyglossia option")
 
-
-
 (defconst org-latex-table-matrix-macros '(("bordermatrix" . "\\cr")
 					  ("qbordermatrix" . "\\cr")
 					  ("kbordermatrix" . "\\\\"))