Bump libsass to 3.4

asottile · asottile · commit d40d4f092583 · 2016-12-10T17:28:57.000-08:00
diff --git a/libsass b/libsass
@@ -1 +1 @@
-Subproject commit 0ff2474407a9a1ff98196135a52f54b58ce9542f
+Subproject commit 5b92405db76df2acf620fbaf37e3d1c3662af720
