PCP: fixup: Missing headers for DynamicMeter

DynamicMeter.c

@@ -5,10 +5,14 @@ htop - DynamicMeter.c
 Released under the GNU GPLv2, see the COPYING file
 in the source distribution for its full text.
 */
+
 #include "config.h" // IWYU pragma: keep
 
 #include "DynamicMeter.h"
 
+#include <stdbool.h>
+#include <stddef.h>
+
 #include "CRT.h"
 #include "Object.h"
 #include "Platform.h"

DynamicMeter.h

@@ -1,6 +1,7 @@
 #ifndef HEADER_DynamicMeter
 #define HEADER_DynamicMeter
 
+#include "Hashtable.h"
 #include "Meter.h"