Update mappings in sourcemap test to match LibSass output

Sourcemaps got an overhaul in LibSass 3.3.3. Given the current
state of sourcemaps let's assume the new mappings are an
improvement.

test/fixtures/source-map-embed/expected.css

@@ -10,4 +10,4 @@
   #navbar li a {
     font-weight: bold; }
 
-/*# sourceMappingURL=data:application/json;base64,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 */
\ No newline at end of file
+/*# sourceMappingURL=data:application/json;base64,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 */

test/fixtures/source-map/expected.map

@@ -4,6 +4,6 @@
 	"sources": [
 		"index.scss"
 	],
-	"mappings": "AAAA,OAAO,CAAC;EACN,KAAK,EAAE,GAAI;EACX,MAAM,EAAE,IAAK,GACd;;AAED,OAAO,CAAC,EAAE,CAAC;EACT,eAAe,EAAE,IAAK,GACvB;;AAED,OAAO,CAAC,EAAE,CAAC;EACT,KAAK,EAAE,IAAK,GAKb;EAND,OAAO,CAAC,EAAE,CAGR,CAAC,CAAC;IACA,WAAW,EAAE,IAAK,GACnB",
+	"mappings": "AAAA,AAAA,OAAO,CAAC;EACN,KAAK,EAAE,GAAI;EACX,MAAM,EAAE,IAAK,GACd;;AAED,AAAQ,OAAD,CAAC,EAAE,CAAC;EACT,eAAe,EAAE,IAAK,GACvB;;AAED,AAAQ,OAAD,CAAC,EAAE,CAAC;EACT,KAAK,EAAE,IAAK,GAKb;EAND,AAGE,OAHK,CAAC,EAAE,CAGR,CAAC,CAAC;IACA,WAAW,EAAE,IAAK,GACnB",
 	"names": []
 }