basic: include only what we use

This is a cleaned up result of running iwyu but without forward
declarations on src/basic.

1 files changed, 8 insertions, 1 deletions

diff --git a/src/basic/bitmap.c b/src/basic/bitmap.c
index 1449e2ea85..95f59e400a 100644
--- a/src/basic/bitmap.c
+++ b/src/basic/bitmap.c
@@ -19,9 +19,16 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <errno.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
 #include "alloc-util.h"
 #include "bitmap.h"
-#include "util.h"
+#include "hashmap.h"
+#include "macro.h"
 
 struct Bitmap {
         uint64_t *bitmaps;