Use negative priorities to avoid special-casing the self-include

src/core/hle/service/cfg/cfg.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "core/hle/service/cfg/cfg.h"
 #include <algorithm>
 #include "common/file_util.h"
 #include "common/logging/log.h"
@@ -11,6 +10,7 @@
 #include "core/file_sys/archive_systemsavedata.h"
 #include "core/file_sys/file_backend.h"
 #include "core/hle/result.h"
+#include "core/hle/service/cfg/cfg.h"
 #include "core/hle/service/cfg/cfg_i.h"
 #include "core/hle/service/cfg/cfg_s.h"
 #include "core/hle/service/cfg/cfg_u.h"

src/core/hle/service/cfg/cfg_i.cpp

@@ -2,8 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "core/hle/service/cfg/cfg_i.h"
 #include "core/hle/service/cfg/cfg.h"
+#include "core/hle/service/cfg/cfg_i.h"
 
 namespace Service {
 namespace CFG {

src/core/hle/service/cfg/cfg_s.cpp

@@ -2,8 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "core/hle/service/cfg/cfg_s.h"
 #include "core/hle/service/cfg/cfg.h"
+#include "core/hle/service/cfg/cfg_s.h"
 
 namespace Service {
 namespace CFG {

src/core/hle/service/cfg/cfg_u.cpp

@@ -2,8 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "core/hle/service/cfg/cfg_u.h"
 #include "core/hle/service/cfg/cfg.h"
+#include "core/hle/service/cfg/cfg_u.h"
 
 namespace Service {
 namespace CFG {