Use "", not <> to include non-system header files.

lib/backupfile.c

@@ -107,9 +107,9 @@ char *malloc ();
 # define REAL_DIR_ENTRY(dp) 1
 #endif
 
-#include <argmatch.h>
-#include <backupfile.h>
-#include <dirname.h>
+#include "argmatch.h"
+#include "backupfile.h"
+#include "dirname.h"
 
 /* The extension added to file names to produce a simple (as opposed
    to numbered) backup file name. */

lib/rename.c

@@ -30,8 +30,8 @@
 # include <strings.h>
 #endif
 
-#include <dirname.h>
-#include <xalloc.h>
+#include "dirname.h"
+#include "xalloc.h"
 
 #ifndef HAVE_DECL_FREE
 "this configure-time declaration test was not run"