* modules/strsep: Likewise.
* modules/strstr: Likewise.
* modules/strtok_r: Likewise.
- * tests/test-dirname.c: Don't include "stdup.h", since
+ * tests/test-dirname.c: Don't include "strdup.h", since
<string.h> now suffices.
* tests/test-memmem.c: Don't include "memmem.h", since
<string.h> now suffices.