Merge pull request #632 from xzyfer/feat/activate-1752

Activate specs for issue 1752

Author: mgreter

spec/libsass-closed-issues/issue_1752/error

@@ -0,0 +1 @@
+/sass/sass-spec/spec/libsass-closed-issues/issue_1752/input.scss:3 DEBUG: ()

spec/libsass-closed-issues/issue_1752/expected.compact.css

@@ -0,0 +1,9 @@
+@mixin some-fn($args...) {
+  @each $item in $args {
+    @debug($item);
+  }
+}
+
+foo {
+  @include some-fn(());
+}