simplify decision to render corpse

instead of checking for actual gibs, check for "was gibbed"

fixes problems with still existing gibs when the player dies again fast
enough

source/src/entity.h

@@ -448,12 +448,13 @@ public:
     vec head;
 
     bool ignored, muted;
+    bool nocorpse;
 
     playerent() : curskin(0), clientnum(-1), lastupdate(0), plag(0), ping(0), address(0), lifesequence(0), frags(0), flagscore(0), deaths(0), points(0), tks(0), lastpain(0), lastvoicecom(0), lastdeath(0), clientrole(CR_DEFAULT),
                   team(TEAM_SPECT), spectatemode(SM_NONE), eardamagemillis(0), maxroll(ROLLMOVDEF), maxrolleffect(ROLLEFFDEF), movroll(0), effroll(0),
                   prevweaponsel(NULL), weaponsel(NULL), nextweaponsel(NULL), primweap(NULL), nextprimweap(NULL), lastattackweapon(NULL),
                   smoothmillis(-1),
-                  head(-1, -1, -1), ignored(false), muted(false)
+                  head(-1, -1, -1), ignored(false), muted(false), nocorpse(false)
     {
         type = ENT_PLAYER;
         name[0] = 0;
@@ -518,6 +519,7 @@ public:
         eardamagemillis = 0;
         eyeheight = maxeyeheight;
         curskin = nextskin[team_base(team)];
+        nocorpse = false;
     }
 
     void spawnstate(int gamemode)