Update libwebp.rb (#2074)

* Update libwebp.rb

* Update libwebp.rb

* Update libwebp.rb

packages/libwebp.rb

@@ -3,25 +3,14 @@ require 'package'
 class Libwebp < Package
   description 'WebP is a modern image format that provides superior lossless and lossy compression for images on the web.'
   homepage 'https://developers.google.com/speed/webp/'
-  version '0.6.0'
-  source_url 'https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-0.6.0.tar.gz'
-  source_sha256 'c928119229d4f8f35e20113ffb61f281eda267634a8dc2285af4b0ee27cf2b40'
+  version '0.6.1'
+  source_url 'https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-0.6.1.tar.gz'
+  source_sha256 '06503c782d9f151baa325591c3579c68ed700ffc62d4f5a32feead0ff017d8ab'
+
 
-  binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/libwebp-0.6.0-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/libwebp-0.6.0-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/libwebp-0.6.0-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/libwebp-0.6.0-chromeos-x86_64.tar.xz',
-  })
-  binary_sha256 ({
-    aarch64: 'f35c27b6360a7d7750e5f0ce841a0b3769bf3f0e65db84d82f2d3480fb99365c',
-     armv7l: 'f35c27b6360a7d7750e5f0ce841a0b3769bf3f0e65db84d82f2d3480fb99365c',
-       i686: 'f5aa924cd9837b5f0f408432b718638a65e6fef4d29b071c172636e9c29a5a27',
-     x86_64: '6db6eaed9f0ce7761a41f40b42e6d5db9fdc4e60cd20e35a43decaee17f3cd06',
-  })
 
   def self.build
-    system "./configure"
+    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
     system "make"
   end