Damnit, bail

dlls/fakemeta/forward.cpp

@@ -470,7 +470,7 @@ static cell AMX_NATIVE_CALL register_forward(AMX *amx, cell *params)
 	int func = params[1];
 	// You originally had both post coming from params[2] AND the function name.  I've moved post to 3.
 	int post = params[3];
-	if (func > FM_AllowLagCompensation || func < 1)
+	if (func >= FM_LAST_DONT_USE_ME || func < 1)
 	{
 		MF_RaiseAmxError(amx, AMX_ERR_NATIVE);
 		return 0;

dlls/fakemeta/forward.h

@@ -13,6 +13,7 @@
 #define FMRES_OVERRIDE	3
 
 enum {
+  FM_FIRST_DONT_USE_ME = 0,
 	FM_PrecacheModel = 1,	// done
 	FM_PrecacheSound,	// done
 	FM_SetModel,		// done
@@ -149,6 +150,7 @@ enum {
 	FM_CreateInstancedBaselines,	// done 
 	FM_AllowLagCompensation,	// done
 	FM_AlertMessage,
+	FM_LAST_DONT_USE_ME,
 };
 
 extern CVector<int> Engine[];