Mass replace NULL --> nullptr

(Except one instance was instead replaced with nil)

src/pcedit/pc.action.cpp

@@ -54,16 +54,16 @@ bool handle_action(sf::Event event) {
 			do_button_action(0,i + 10);
 			switch(i) {
 				case 0:
-					display_pc(current_active_pc,10,NULL);
+					display_pc(current_active_pc,10,nullptr);
 					break;
 				case 1:
-			 		display_pc(current_active_pc,11,NULL);
+			 		display_pc(current_active_pc,11,nullptr);
 					break;
 				case 2:
 					pick_race_abil(&univ.party[current_active_pc],0);
 					break;
 				case 3:
-					spend_xp(current_active_pc,2,NULL);
+					spend_xp(current_active_pc,2,nullptr);
 					break;
 				case 4:
 					edit_xp(&univ.party[current_active_pc]);

src/pcedit/pc.main.cpp

@@ -106,7 +106,7 @@ void Initialize(void) {
 	//	and date into the seed.  Since it is always incrementing the starting seed
 	//	will always be different.  Don’t for each call of Random, or the sequence
 	//	will no longer be random.  Only needed once, here in the init.
-	srand(time(NULL));
+	srand(time(nullptr));
 	
 	//	Make a new window for drawing in, and it must be a color window.
 	//	The window is full screen size, made smaller to make it more visible.
@@ -369,7 +369,7 @@ static void give_help(short help1,short help2,cDialog* parent) {
 }
 
 void give_help(short help1, short help2) {
-	give_help(help1, help2, NULL);
+	give_help(help1, help2, nullptr);
 }
 
 void give_help(short help1, short help2, cDialog& parent) {