Fix ENABLE_UPGRADES logic

Author: mconcas

macro/build_geometry.C

@@ -128,11 +128,14 @@ void build_geometry(FairRunSim* run = nullptr)
   // beam pipe
   if (isActivated("PIPE")) {
 #ifdef ENABLE_UPGRADES
-    if (isActivated("IT3")) {
-      run->AddModule(new o2::passive::Pipe("PIPE", "Beam pipe", 1.6f, 0.05f));
-    }
+     if (isActivated("IT3")) {
+       run->AddModule(new o2::passive::Pipe("PIPE", "Beam pipe", 1.6f, 0.05f));      
+     } else { 
+       run->AddModule(new o2::passive::Pipe("PIPE", "Beam pipe"));
+     }
+#else
+     run->AddModule(new o2::passive::Pipe("PIPE", "Beam pipe"));
 #endif
-    run->AddModule(new o2::passive::Pipe("PIPE", "Beam pipe"));
   }
 
 #ifdef ENABLE_UPGRADES