SPE Compat - Make 50Rnd M1919 & M2 100Rnd belts linkable (#10301)

Tweaked SPE belts

addons/compat_spe/CfgMagazines/csw.hpp

@@ -2,43 +2,29 @@ class CA_Magazine;
 
 // M1919A4/A6
 class SPE_50Rnd_762x63: CA_Magazine {
-    ACE_isBelt = 0;
-};
-
-class SPE_100Rnd_762x63: SPE_50Rnd_762x63 {
     ACE_isBelt = 1;
 };
 
-class SPE_100Rnd_762x63_M1: SPE_100Rnd_762x63 {
+// M2
+class VehicleMagazine;
+class SPE_100Rnd_127x99_M2: VehicleMagazine {
     ACE_isBelt = 1;
 };
 
-class SPE_100Rnd_762x63_M2_AP: SPE_100Rnd_762x63 {
-    ACE_isBelt = 1;
-};
-
-//MG34/42
-
+// MG34/42
 class SPE_50Rnd_792x57: CA_Magazine {
     ACE_isBelt = 0;
 };
-
-class SPE_50Rnd_792x57_sS: SPE_50Rnd_792x57 {
-    ACE_isBelt = 0;
-};
-
-class SPE_50Rnd_792x57_SMK: SPE_50Rnd_792x57_sS {
-    ACE_isBelt = 0;
-};
-
 class SPE_100Rnd_792x57: SPE_50Rnd_792x57 {
     ACE_isBelt = 1;
 };
 
+class SPE_50Rnd_792x57_sS;
 class SPE_100Rnd_792x57_sS: SPE_50Rnd_792x57_sS {
     ACE_isBelt = 1;
 };
 
+class SPE_50Rnd_792x57_SMK;
 class SPE_100Rnd_792x57_SMK: SPE_50Rnd_792x57_SMK {
     ACE_isBelt = 1;
 };