CON: ifspawnedby and ifwasweapon are really the same command. Merge the code to execute them.

git-svn-id: https://svn.eduke32.com/eduke32@6360 1a8010ca-5511-0410-912e-c29ae57300e0

source/duke3d/src/gameexec.cpp

@@ -3437,6 +3437,7 @@ nullquote:
             continue;
 
         case CON_IFWASWEAPON:
+        case CON_IFSPAWNEDBY:
             insptr++;
             VM_CONDITIONAL(vm.pActor->picnum == *insptr);
             continue;
@@ -3644,11 +3645,6 @@ nullquote:
             insptr += 3;
             continue;
 
-        case CON_IFSPAWNEDBY:
-            insptr++;
-            VM_CONDITIONAL(vm.pActor->picnum == *insptr);
-            continue;
-
         case CON_WACKPLAYER:
             insptr++;
             P_ForceAngle(pPlayer);