Fix class keyword coloring

Fixes class keyword coloring when used as parameter

Author: kborowinski

PowerShellSyntax.tmLanguage

@@ -283,7 +283,7 @@
 			<key>comment</key>
 			<string>capture should be entity.name.type, but it doesn't provide a good color in the default schema.</string>
 			<key>match</key>
-			<string>(?&lt;!\w)((?i:class)|%|\?)(?:\s)+((?:\p{L}|\d|_|-|)+)\b</string>
+			<string>(?&lt;!\w|-)((?i:class)|%|\?)(?:\s)+((?:\p{L}|\d|_|-|)+)\b</string>
 		</dict>
 		<dict>
 			<key>match</key>