port: purge texcache when gunmem is released as well

src/game/bondgun.c

@@ -53,6 +53,9 @@
 #include "lib/lib_317f0.h"
 #include "data.h"
 #include "types.h"
+#ifndef PLATFORM_N64
+#include "video.h"
+#endif
 
 #define GUNLOADSTATE_FLUX     0
 #define GUNLOADSTATE_MODEL    1
@@ -3640,6 +3643,11 @@ u32 bgunCalculateGunMemCapacity(void)
 void bgunFreeGunMem(void)
 {
 	g_Vars.currentplayer->gunctrl.gunmemowner = GUNMEMOWNER_FREE;
+#ifndef PLATFORM_N64
+	// gunmem is stale and so are the textures in it
+	// TODO: figure out how to purge only those textures
+	videoResetTextureCache();
+#endif
 }
 
 void bgunSetGunMemWeapon(s32 weaponnum)