Update Gyp Installer version

Signed-off-by: Uilian Ries <uilianries@gmail.com>

conanfile.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
 import os
@@ -8,9 +7,9 @@
 
 class GypinstallerConan(ConanFile):
     name = "gyp_installer"
-    version = "20181217"
+    version = "20190423"
     url = "https://github.com/bincrafters/conan-gyp_installer"
-    homepage = "https://chromium.googlesource.com/external/gyp"
+    homepage = "https://github.com/bincrafters/gyp"
     description = "GYP is a Meta-Build system: a build system that generates other build systems"
     author = "Bincrafters <bincrafters@gmail.com>"
     topics = ("conan", "gyp", "installer", "meta-build-system", "build-system")
@@ -20,7 +19,8 @@ class GypinstallerConan(ConanFile):
     _source_subfolder = "source_subfolder"
 
     def source(self):
-        tools.get("https://github.com/bincrafters/gyp/archive/{}.tar.gz".format(self.version))
+        sha256 = "5b8567e8f642c86f283c2bade2659315acb250cff59d5d95df36aa432cc9d56e"
+        tools.get("{}/archive/{}.tar.gz".format(self.homepage, self.version), sha256=sha256)
         archive_name = "gyp-{}".format(self.version)
         os.rename(archive_name, self._source_subfolder)