Update firefox-langpacks build

projects/firefox-langpacks/config

@@ -4,7 +4,7 @@ filename: '[% project %]-[% c("version") %]-[% c("var/osname") %]-[% c("var/buil
 
 var:
   ff_version: '[% pc("firefox", "var/firefox_version") %]'
-  ff_build: build3
+  ff_build: build1
   ff_arch: linux-i686
   input_filename: 'dl-langpack-[% c("var/ff_arch") %]-[% c("version") %]'