Update libsass to version 3.4.5

mgreter · mgreter · commit aa36d85e805b · 2017-05-22T21:56:03.000+02:00
diff --git a/libsass b/libsass
@@ -1 +1 @@
-Subproject commit f883f026cd2edc4e01b39163ee27c30bc4247841
+Subproject commit 31573210c0d120ae56aaea543a0dbab5255cdfb7
diff --git a/t/sass-spec b/t/sass-spec
@@ -1 +1 @@
-Subproject commit b020d3b8097348db4f86c31f924f6af0f38800af
+Subproject commit f1a8f63211b50ed57e26128da7dfe79e00cf5a7e
