firefox-i18n: install langpacks to the correct dir.

srcpkgs/firefox-i18n/template

@@ -1,7 +1,7 @@
 # Template file for 'firefox-i18n'
 pkgname=firefox-i18n
 version=21.0
-revision=1
+revision=2
 homepage="http://www.mozilla.com/"
 short_desc="Firefox language packs"
 maintainer="Juan RP <xtraeme@gmail.com>"
@@ -12,6 +12,7 @@ long_desc="
 noextract=yes
 create_wrksrc=yes
 create_srcdir=yes
+makedepends="firefox>=21<22"
 
 _LANG_PACKS="af ak ar ast be bg bn-BD bn-IN br bs ca cs cy da de el en-GB eo
  es-AR es-CL es-ES es-MX et eu fa fi fr fy-NL ga-IE gl gu-IN he hi-IN hr hu
@@ -109,11 +110,12 @@ aaffd78b270c95f941bcadf719db8e45e5b4dbccd5193125ac4abbec3ae947be
 do_install() {
 	for f in ${_LANG_PACKS}; do
 		vinstall ${XBPS_SRCDISTDIR}/${pkgname}-${version}/$f.xpi 644 \
-			usr/lib/firefox/extensions langpack-${f}@firefox.mozilla.org.xpi
+			usr/lib/firefox/browser/extensions langpack-${f}@firefox.mozilla.org.xpi
 	done
 }
 
 firefox-i18n_package() {
+	depends="firefox>=21<22"
 	noarch=yes
 	pkg_install() {
 		vmove all