Removed bool tag from SetPlayerName() and updated its description.

See this PR: openmultiplayer/open.mp#672

Author: dev-karpov0

omp_player.inc

@@ -1587,11 +1587,11 @@ native GetPlayerColor(playerid);
  * </remarks>
  * <returns>
  *   <b><c>1</c></b> The name was changed successfully.<br />
- *   <b><c>0</c></b> The player already has that name.<br />
- *   <b><c>-1</c></b> The name can not be changed (it's already in use, too long or has invalid characters).
+ *   <b><c>0</c></b> The player is not connected, player already has that name or it's already taken by another player.<br />
+ *   <b><c>-1</c></b> The name can not be changed (it's too long or has invalid characters).
  * </returns>
  */
-native bool:SetPlayerName(playerid, const name[]);
+native SetPlayerName(playerid, const name[]);
 
 /**
  * <library>omp_player</library>