Fixes rbenv#2119

Author: hsbt

share/ruby-build/1.8.7-p375

@@ -1,3 +1,3 @@
 require_gcc
-install_svn "ruby-1.8.7-p375" "http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8_7" "44351" warn_eol autoconf auto_tcltk standard
+install_git "ruby-1.8.7-p375" "https://github.com/ruby/ruby.git" "dabc90361d1b71fcac4f606eb1eb1fa25c047fd9" warn_eol autoconf auto_tcltk standard
 install_package "rubygems-1.6.2" "https://rubygems.org/rubygems/rubygems-1.6.2.tgz#cb5261818b931b5ea2cb54bc1d583c47823543fcf9682f0d6298849091c1cea7" ruby