- Duke/RR: Always ensure player's wantweaponfire is reset to -1 after switching weapon.

* Fixes #333.

source/games/duke/src/actors_d.cpp

@@ -265,6 +265,7 @@ void addweapon_d(struct player_struct *p, int weapon)
 #else
 	p->curr_weapon = weapon;
 #endif
+	p->wantweaponfire = -1;
 
 	switch (weapon)
 	{

source/games/duke/src/actors_r.cpp

@@ -185,6 +185,7 @@ void addweapon_r(struct player_struct* p, int weapon)
 
 	p->okickback_pic = p->kickback_pic = 0;
 	p->curr_weapon = cw;
+	p->wantweaponfire = -1;
 
 	switch (weapon)
 	{