cleaned up includes with iwyu

generic/gettime.h

@@ -9,7 +9,6 @@ in the source distribution for its full text.
 
 #include <stdint.h>
 #include <sys/time.h>
-#include <sys/types.h>
 
 
 void Generic_gettime_realtime(struct timeval* tvp, uint64_t* msec);

generic/uname.c

@@ -6,15 +6,18 @@ in the source distribution for its full text.
 */
 #include "config.h"  // IWYU pragma: keep
 
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "Macros.h"
+#include "XUtils.h"
 #include "generic/uname.h"
 
-#include <stdio.h>
 #ifdef HAVE_SYS_UTSNAME_H
 #include <sys/utsname.h>
 #endif
 
-#include "XUtils.h"
-
 
 #ifndef OSRELEASEFILE
 #define OSRELEASEFILE "/etc/os-release"