OpenBSD update

- compilation failures like `return &this->this;` -> `return &this->super;`
- iwyu update
- misc cleanup

openbsd/OpenBSDProcessList.h

@@ -9,6 +9,13 @@ in the source distribution for its full text.
 */
 
 #include <kvm.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#include "Hashtable.h"
+#include "ProcessList.h"
+#include "UsersTable.h"
+
 
 typedef struct CPUData_ {
    unsigned long long int totalTime;
@@ -43,8 +50,6 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidMatchList, ui
 
 void ProcessList_delete(ProcessList* this);
 
-char* OpenBSDProcessList_readProcessName(kvm_t* kd, struct kinfo_proc* kproc, int* basenameEnd);
-
 void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate);
 
 #endif