Cleanup: move MOD_nodes.h to C++

All files that use it are in C++ now.

source/blender/blenkernel/intern/node_tree_update.cc

@@ -25,7 +25,7 @@
 #include "BKE_node_tree_anonymous_attributes.hh"
 #include "BKE_node_tree_update.h"
 
-#include "MOD_nodes.h"
+#include "MOD_nodes.hh"
 
 #include "NOD_node_declaration.hh"
 #include "NOD_socket.hh"

source/blender/editors/object/object_relations.cc

@@ -100,7 +100,7 @@
 #include "ED_screen.h"
 #include "ED_view3d.h"
 
-#include "MOD_nodes.h"
+#include "MOD_nodes.hh"
 
 #include "object_intern.h"
 

source/blender/makesrna/intern/rna_modifier.cc

@@ -46,7 +46,7 @@
 #include "WM_api.h"
 #include "WM_types.h"
 
-#include "MOD_nodes.h"
+#include "MOD_nodes.hh"
 
 const EnumPropertyItem rna_enum_object_modifier_type_items[] = {
     RNA_ENUM_ITEM_HEADING(N_("Modify"), nullptr),

source/blender/modifiers/CMakeLists.txt

@@ -103,7 +103,7 @@ set(SRC
   intern/MOD_wireframe.cc
 
   MOD_modifiertypes.hh
-  MOD_nodes.h
+  MOD_nodes.hh
   intern/MOD_meshcache_util.hh
   intern/MOD_solidify_util.hh
   intern/MOD_ui_common.hh

source/blender/modifiers/MOD_nodes.hh

@@ -7,17 +7,9 @@
 struct NodesModifierData;
 struct Object;
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /**
  * Rebuild the list of properties based on the sockets exposed as the modifier's node group
  * inputs. If any properties correspond to the old properties by name and type, carry over
  * the values.
  */
-void MOD_nodes_update_interface(struct Object *object, struct NodesModifierData *nmd);
-
-#ifdef __cplusplus
-}
-#endif
+void MOD_nodes_update_interface(Object *object, NodesModifierData *nmd);

source/blender/modifiers/intern/MOD_nodes.cc

@@ -78,7 +78,7 @@
 #include "DEG_depsgraph_query.h"
 
 #include "MOD_modifiertypes.hh"
-#include "MOD_nodes.h"
+#include "MOD_nodes.hh"
 #include "MOD_ui_common.hh"
 
 #include "ED_object.h"