Added PlayerRunCmd hook to sdktools (bug 3289, r=dvander)

gamedata/sdktools.games/engine.l4d.txt

@@ -365,6 +365,11 @@
 				"windows"	"31"
 				"linux"		"32"
 			}
+			"PlayerRunCmd"
+			{
+				"windows"	"427"
+				"linux"		"428"
+			}
 		}
 	}
 }

gamedata/sdktools.games/game.cstrike.txt

@@ -104,6 +104,11 @@
 				"windows"	"32"
 				"linux"		"33"
 			}
+			"PlayerRunCmd"
+			{
+				"windows"	"347"
+				"linux"		"348"
+			}
 		}
 	}
 }

gamedata/sdktools.games/game.tf.txt

@@ -96,6 +96,11 @@
 				"windows"	"31"
 				"linux"		"32"
 			}
+			"PlayerRunCmd"
+			{
+				"windows"	"368"
+				"linux"		"369"
+			}
 		}
 	}
 }