ruby-em-websocket: add missing LICENSE

PKGBUILD

@@ -3,7 +3,7 @@
 _gemname=em-websocket
 pkgname=ruby-$_gemname
 pkgver=0.5.1
-pkgrel=1
+pkgrel=2
 pkgdesc='EventMachine based WebSocket server'
 arch=('any')
 url='https://github.com/igrigorik/em-websocket'
@@ -14,13 +14,17 @@ depends=('ruby'
     )
 provides=("$pkgname=$pkgver")
 options=(!emptydirs)
-source=(https://rubygems.org/downloads/$_gemname-$pkgver.gem)
+source=("https://rubygems.org/downloads/$_gemname-$pkgver.gem"
+        'LICENCE'
+        )
 noextract=($_gemname-$pkgver.gem)
-sha512sums=('SKIP')
+sha512sums=('ca67da805a67ca7ff840cf58836e6abe5e7a965d50de529cc624b214a1cd8bd4b48ee469ab2266bd80040c94315d59f8fb5903bbf543240fbbe90e80bede0702'
+            '70d165a57fd28a316027c97da6dc73cb2ca26e8c58f14414d7e109247abd5c9af435ecfe482e2b007764497471327b33d39ce13c86eb1d8a93ed5f62db96cee6'
+)
 
 package() {
   local _gemdir="$(ruby -e'puts Gem.default_dir')"
   gem install --ignore-dependencies --no-user-install -i "$pkgdir/$_gemdir" -n "$pkgdir/usr/bin" $_gemname-$pkgver.gem
   rm "$pkgdir/$_gemdir/cache/$_gemname-$pkgver.gem"
-  install -D -m644 "$pkgdir/$_gemdir/gems/$_gemname-$pkgver/LICENSE" "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+  install -D -m644 "$srcdir/LICENCE" "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
 }