Code Style: use "#pragma once" in source directory

This replaces header include guards with `#pragma once`.
A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`),
because they are used in other places.

This patch has been generated by P1561 followed by `make format`.

Differential Revision: https://developer.blender.org/D8466

4 files changed, 4 insertions, 16 deletions

diff --git a/source/blender/ikplugin/BIK_api.h b/source/blender/ikplugin/BIK_api.h
index 2c2053b47a6..fa7d7ff555c 100644
--- a/source/blender/ikplugin/BIK_api.h
+++ b/source/blender/ikplugin/BIK_api.h
@@ -22,8 +22,7 @@
  * \ingroup ikplugin
  */
 
-#ifndef __BIK_API_H__
-#define __BIK_API_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -54,5 +53,3 @@ void BIK_test_constraint(struct Object *ob, struct bConstraint *cons);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __BIK_API_H__ */
diff --git a/source/blender/ikplugin/intern/ikplugin_api.h b/source/blender/ikplugin/intern/ikplugin_api.h
index faf21cecacd..f61ba7e3a63 100644
--- a/source/blender/ikplugin/intern/ikplugin_api.h
+++ b/source/blender/ikplugin/intern/ikplugin_api.h
@@ -22,8 +22,7 @@
  * \ingroup ikplugin
  */
 
-#ifndef __IKPLUGIN_API_H__
-#define __IKPLUGIN_API_H__
+#pragma once
 
 #ifdef __cplusplus
 extern "C" {
@@ -56,5 +55,3 @@ typedef struct IKPlugin IKPlugin;
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __IKPLUGIN_API_H__ */
diff --git a/source/blender/ikplugin/intern/iksolver_plugin.h b/source/blender/ikplugin/intern/iksolver_plugin.h
index 20a9e78cc47..28356b4fc9c 100644
--- a/source/blender/ikplugin/intern/iksolver_plugin.h
+++ b/source/blender/ikplugin/intern/iksolver_plugin.h
@@ -22,8 +22,7 @@
  * \ingroup ikplugin
  */
 
-#ifndef __IKSOLVER_PLUGIN_H__
-#define __IKSOLVER_PLUGIN_H__
+#pragma once
 
 #include "ikplugin_api.h"
 
@@ -46,5 +45,3 @@ void iksolver_clear_data(struct bPose *pose);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __IKSOLVER_PLUGIN_H__ */
diff --git a/source/blender/ikplugin/intern/itasc_plugin.h b/source/blender/ikplugin/intern/itasc_plugin.h
index e7a319809b7..89342295b35 100644
--- a/source/blender/ikplugin/intern/itasc_plugin.h
+++ b/source/blender/ikplugin/intern/itasc_plugin.h
@@ -22,8 +22,7 @@
  * \ingroup ikplugin
  */
 
-#ifndef __ITASC_PLUGIN_H__
-#define __ITASC_PLUGIN_H__
+#pragma once
 
 #include "ikplugin_api.h"
 
@@ -49,5 +48,3 @@ void itasc_test_constraint(struct Object *ob, struct bConstraint *cons);
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* __ITASC_PLUGIN_H__ */