Cleanup: comment blocks, trailing space in comments

source/blender/nodes/intern/derived_node_tree.cc

@@ -230,7 +230,7 @@ void DInputSocket::foreach_origin_socket(FunctionRef<void(DSocket)> origin_fn) c
 /* Calls `target_fn` for every "real" target socket. "Real" means that reroutes, muted nodes
  * and node groups are handled by this function. Target sockets are on the nodes that use the value
  * from this socket. The `skipped_fn` function is called for sockets that have been skipped during
- * the search for target sockets (e.g. reroutes).  */
+ * the search for target sockets (e.g. reroutes). */
 void DOutputSocket::foreach_target_socket(FunctionRef<void(DInputSocket)> target_fn,
                                           FunctionRef<void(DSocket)> skipped_fn) const
 {

source/blender/nodes/intern/node_tree_ref.cc

@@ -336,7 +336,7 @@ static std::unique_ptr<SocketIndexByIdentifierMap> create_identifier_map(const L
   return map;
 }
 
-/* This function is not threadsafe.  */
+/* This function is not threadsafe. */
 static SocketByIdentifierMap get_or_create_identifier_map(
     const bNode &node, const ListBase &sockets, const bNodeSocketTemplate *sockets_template)
 {

source/blender/nodes/shader/node_shader_tree.c

@@ -398,7 +398,7 @@ static void ntree_shader_groups_expand_inputs(bNodeTree *localtree)
         if (socket->link != NULL && !(socket->link->flag & NODE_LINK_MUTED)) {
           bNodeLink *link = socket->link;
           /* Fix the case where the socket is actually converting the data. (see T71374)
-           * We only do the case of lossy conversion to float.*/
+           * We only do the case of lossy conversion to float. */
           if ((socket->type == SOCK_FLOAT) && (link->fromsock->type != link->tosock->type)) {
             if (link->fromsock->type == SOCK_RGBA) {
               bNode *tmp = nodeAddStaticNode(NULL, localtree, SH_NODE_RGBTOBW);