Update to ruby/mspec@d03ad9c

Author: eregon

spec/mspec/tool/tag_from_output.rb

@@ -32,9 +32,9 @@
   if spec_file
     spec_file = spec_file[SPEC_FILE, 1] or raise
   else
-    if error_line =~ /^(\w+)[#\.](\w+) /
-      module_method = error_line.split(' ', 2).first
-      file = "#{$1.downcase}/#{$2}_spec.rb"
+    if error_line =~ /^([\w:]+)[#\.](\w+) /
+      mod, method = $1, $2
+      file = "#{mod.downcase.gsub('::', '/')}/#{method}_spec.rb"
       spec_file = ['spec/ruby/core', 'spec/ruby/library', *Dir.glob('spec/ruby/library/*')].find { |dir|
         path = "#{dir}/#{file}"
         break path if File.exist?(path)