added demo entry

engines/grim/detection.cpp

@@ -35,7 +35,9 @@ struct GrimGameDescription {
 
 static const PlainGameDescriptor grimGames[] = {
 	{"grim", "Grim Fandango"},
+	{"grimdemo", "Grim Fandango Demo"},
 	{"monkey", "Escape From Monkey Island"},
+	{"monkeydemo", "Escape From Monkey Island Demo"},
 	{0, 0}
 };
 
@@ -84,6 +86,17 @@ static const GrimGameDescription gameDescriptions[] = {
 			ADGF_NO_FLAGS
 		},
 	},
+	{
+		// Grim Fandago English demo version
+		{
+			"grimdemo",
+			0,
+			AD_ENTRY1s("gfdemo01.lab", "755cdac083f7f751bec7506402278f1a", 29489930),
+			Common::EN_ANY,
+			Common::kPlatformPC,
+			ADGF_DEMO
+		},
+	},
 
 
 	{ AD_TABLE_END_MARKER }