[fsharp] make grammar file name consistent

extensions/fsharp/package.json

@@ -4,7 +4,7 @@
 	"publisher": "vscode",
 	"engines": { "vscode": "*" },
 	"scripts": {
-		"update-grammar": "node ../../build/npm/update-grammar.js ionide/ionide-fsgrammar grammar/fsharp.json ./syntaxes/fsharp.json"
+		"update-grammar": "node ../../build/npm/update-grammar.js ionide/ionide-fsgrammar grammar/fsharp.json ./syntaxes/fsharp.tmLanguage.json"
 	},
 	"contributes": {
 		"languages": [{
@@ -16,7 +16,7 @@
 		"grammars": [{
 			"language": "fsharp",
 			"scopeName": "source.fsharp",
-			"path": "./syntaxes/fsharp.json"
+			"path": "./syntaxes/fsharp.tmLanguage.json"
 		}],
 		"snippets": [{
 			"language": "fsharp",