Add a precompiled header for RELs (#2597)

src/d/actor/d_a_e_sg.cpp

@@ -1,8 +1,10 @@
 /**
- * @file d_a_e_sg.cpp
+* @file d_a_e_sg.cpp
  *
  */
 
+#include "d/dolzel_rel.h"
+
 #include "d/actor/d_a_e_sg.h"
 #include "Z2AudioLib/Z2Instances.h"
 #include "d/actor/d_a_mg_rod.h"
@@ -107,9 +109,6 @@ static int daE_SG_Draw(e_sg_class* i_this) {
     return 1;
 }
 
-/* 8078E0A0-8078E0DC 000008 0001+03 3/3 0/0 0/0 .bss             @1109 */
-UNK_REL_BSS;
-
 /* 8078E0DC-8078E0E0 -00001 0004+00 2/2 0/0 0/0 .bss             None */
 static bool hio_init;