Fix a bug that caused spell checking to fail when using the builtin spanish dictionary

resources/dictionaries/es-ES/locales

@@ -1,3 +1,4 @@
+es-ES
 es-AR
 es-BO
 es-CL
@@ -6,7 +7,6 @@ es-CR
 es-CU
 es-DO
 es-EC
-es-ES
 es-GT
 es-HN
 es-MX

src/calibre/spell/import_from.py

@@ -62,6 +62,7 @@ def import_from_libreoffice_source_tree(source_path):
                 df = os.path.join(dest, locale + os.path.splitext(src)[1])
                 shutil.copyfile(src, df)
             with open(os.path.join(dest, 'locales'), 'wb') as f:
+                locales.sort(key=lambda x: (0, x) if x == locale else (1, x))
                 f.write(('\n'.join(locales)).encode('utf-8'))
 
     if want_locales: