Apply suggestions from code review

Co-authored-by: Aleos <aleos89@users.noreply.github.com>

conf/battle/feature.conf

@@ -141,13 +141,13 @@ feature.dynamicnpc_direction: no
 feature.goldpc_active: yes
 
 // How many seconds does a player have to be online to receive a point?
-// Default: 3600s (1h)
+// Default: 3600 (1h)
 feature.goldpc_time: 3600
 
 // How many points can a player have at maximum?
 // Default: 300
 feature.goldpc_max_points: 300
 
-// Should being a VIP player double the points a player gets? (Note 1)
+// Should being VIP double the points a player gets? (Note 1)
 // Default: yes
 feature.goldpc_vip: yes

src/map/pc.cpp

@@ -2003,7 +2003,7 @@ TIMER_FUNC(pc_goldpc_update){
 		pc_setreg2( sd, GOLDPC_SECONDS_VAR, 0 );
 
 		if( points < battle_config.feature_goldpc_max_points ){
-			sd->goldpc_tid = add_timer( gettick() + battle_config.feature_goldpc_time * 1000, pc_goldpc_update, sd->bl.id, NULL );
+			sd->goldpc_tid = add_timer( gettick() + battle_config.feature_goldpc_time * 1000, pc_goldpc_update, sd->bl.id, nullptr );
 		}
 
 		// Update the client
@@ -2122,7 +2122,7 @@ void pc_reg_received(struct map_session_data *sd)
 #endif
 
 	if( battle_config.feature_goldpc_active ){
-		sd->goldpc_tid = add_timer( gettick() + ( battle_config.feature_goldpc_time - pc_readreg2( sd, GOLDPC_SECONDS_VAR ) ) * 1000, pc_goldpc_update, sd->bl.id, NULL );
+		sd->goldpc_tid = add_timer( gettick() + ( battle_config.feature_goldpc_time - pc_readreg2( sd, GOLDPC_SECONDS_VAR ) ) * 1000, pc_goldpc_update, sd->bl.id, nullptr );
 #ifndef VIP_ENABLE
 		clif_goldpc_info( *sd );
 #endif