Add a precompiled header for RELs (#2597)

src/d/actor/d_a_obj_swhang.cpp

@@ -3,6 +3,8 @@
  * 
 */
 
+#include "d/dolzel_rel.h"
+
 #include "d/actor/d_a_obj_swhang.h"
 #include "SSystem/SComponent/c_math.h"
 #include "d/actor/d_a_player.h"
@@ -70,8 +72,6 @@ void daObjSwHang_c::setBaseMtx() {
     MTXCopy(mDoMtx_stack_c::get(), mBgMtx);
 }
 
-UNK_REL_DATA
-
 /* 80CFD2D8-80CFD2EC -00001 0014+00 3/3 0/0 0/0 .data            l_arcName */
 static char* l_arcName[5] = {
     "S_bura_A",