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

source/blender/python/bmesh/bmesh_py_api.h

@@ -21,9 +21,6 @@
  * \ingroup pybmesh
  */
 
-#ifndef __BMESH_PY_API_H__
-#define __BMESH_PY_API_H__
+#pragma once
 
 PyObject *BPyInit_bmesh(void);
-
-#endif /* __BMESH_PY_API_H__ */

source/blender/python/bmesh/bmesh_py_geometry.h

@@ -21,9 +21,6 @@
  * \ingroup pybmesh
  */
 
-#ifndef __BMESH_PY_GEOMETRY_H__
-#define __BMESH_PY_GEOMETRY_H__
+#pragma once
 
 PyObject *BPyInit_bmesh_geometry(void);
-
-#endif /* __BMESH_PY_GEOMETRY_H__ */

source/blender/python/bmesh/bmesh_py_ops.h

@@ -21,9 +21,6 @@
  * \ingroup pybmesh
  */
 
-#ifndef __BMESH_PY_OPS_H__
-#define __BMESH_PY_OPS_H__
+#pragma once
 
 PyObject *BPyInit_bmesh_ops(void);
-
-#endif /* __BMESH_PY_OPS_H__ */

source/blender/python/bmesh/bmesh_py_ops_call.h

@@ -21,8 +21,7 @@
  * \ingroup pybmesh
  */
 
-#ifndef __BMESH_PY_OPS_CALL_H__
-#define __BMESH_PY_OPS_CALL_H__
+#pragma once
 
 typedef struct {
   PyObject_HEAD /* required python macro   */
@@ -30,5 +29,3 @@ typedef struct {
 } BPy_BMeshOpFunc;
 
 PyObject *BPy_BMO_call(BPy_BMeshOpFunc *self, PyObject *args, PyObject *kw);
-
-#endif /* __BMESH_PY_OPS_CALL_H__ */

source/blender/python/bmesh/bmesh_py_types.h

@@ -21,8 +21,7 @@
  * \ingroup pybmesh
  */
 
-#ifndef __BMESH_PY_TYPES_H__
-#define __BMESH_PY_TYPES_H__
+#pragma once
 
 extern PyTypeObject BPy_BMesh_Type;
 extern PyTypeObject BPy_BMVert_Type;
@@ -228,5 +227,3 @@ extern struct PyC_FlagSet bpy_bm_htype_vert_edge_face_flags[];
 extern struct PyC_FlagSet bpy_bm_htype_all_flags[];
 extern struct PyC_FlagSet bpy_bm_hflag_all_flags[];
 #endif
-
-#endif /* __BMESH_PY_TYPES_H__ */

source/blender/python/bmesh/bmesh_py_types_customdata.h

@@ -21,8 +21,7 @@
  * \ingroup pybmesh
  */
 
-#ifndef __BMESH_PY_TYPES_CUSTOMDATA_H__
-#define __BMESH_PY_TYPES_CUSTOMDATA_H__
+#pragma once
 
 /* all use BPy_BMLayerAccess struct */
 extern PyTypeObject BPy_BMLayerAccessVert_Type;
@@ -67,5 +66,3 @@ void BPy_BM_init_types_customdata(void);
 /* __getitem__ / __setitem__ */
 PyObject *BPy_BMLayerItem_GetItem(BPy_BMElem *py_ele, BPy_BMLayerItem *py_layer);
 int BPy_BMLayerItem_SetItem(BPy_BMElem *py_ele, BPy_BMLayerItem *py_layer, PyObject *value);
-
-#endif /* __BMESH_PY_TYPES_CUSTOMDATA_H__ */

source/blender/python/bmesh/bmesh_py_types_meshdata.h

@@ -21,8 +21,7 @@
  * \ingroup pybmesh
  */
 
-#ifndef __BMESH_PY_TYPES_MESHDATA_H__
-#define __BMESH_PY_TYPES_MESHDATA_H__
+#pragma once
 
 extern PyTypeObject BPy_BMLoopUV_Type;
 extern PyTypeObject BPy_BMDeformVert_Type;
@@ -51,5 +50,3 @@ int BPy_BMDeformVert_AssignPyObject(struct MDeformVert *dvert, PyObject *value);
 PyObject *BPy_BMDeformVert_CreatePyObject(struct MDeformVert *dvert);
 
 void BPy_BM_init_types_meshdata(void);
-
-#endif /* __BMESH_PY_TYPES_MESHDATA_H__ */

source/blender/python/bmesh/bmesh_py_types_select.h

@@ -21,8 +21,7 @@
  * \ingroup pybmesh
  */
 
-#ifndef __BMESH_PY_TYPES_SELECT_H__
-#define __BMESH_PY_TYPES_SELECT_H__
+#pragma once
 
 struct BPy_BMesh;
 
@@ -46,5 +45,3 @@ void BPy_BM_init_types_select(void);
 PyObject *BPy_BMEditSel_CreatePyObject(BMesh *bm);
 PyObject *BPy_BMEditSelIter_CreatePyObject(BMesh *bm);
 int BPy_BMEditSel_Assign(struct BPy_BMesh *self, PyObject *value);
-
-#endif /* __BMESH_PY_SELECT_H__ */

source/blender/python/bmesh/bmesh_py_utils.h

@@ -21,9 +21,6 @@
  * \ingroup pybmesh
  */
 
-#ifndef __BMESH_PY_UTILS_H__
-#define __BMESH_PY_UTILS_H__
+#pragma once
 
 PyObject *BPyInit_bmesh_utils(void);
-
-#endif /* __BMESH_PY_UTILS_H__ */