Ruby 1.8 doesn't seem to like one --exclude

tasks/spec.rake

@@ -29,14 +29,8 @@ namespace :spec do
       t.rcov = false
     end
     t.rcov_opts = %w(
-        --exclude lib/google/api_client/environment.rb,
-                  lib/compat,
-                  spec,
-                  .rvm/gems,
-                  1.8/gems,
-                  1.9/gems,
-                  .rvm,
-                  /Library/Ruby
+         --exclude gems/
+         --exclude spec/
     )
   end