Replace '\n' -> std::endl in 'cout' cpp snippet

Author: rgcv

snippets/cpp.json

@@ -236,7 +236,7 @@
 	"cout": {
 		"prefix": "cout",
 		"body": [
-			"std::cout << \"${1:/* message */}\" << '\\n';"
+			"std::cout << \"${1:/* message */}\" << std::endl;"
 		],
 		"description": "Code snippet for printing to std::cout, provided the header is set"
 	},