openat, fdopendir tests: Fix link errors. * modules/openat-tests (Depends-on): Add progname. * modules/fdopendir-tests (Depends-on): Likewise. * tests/test-fchownat.c: Include progname.h. (main): Call set_program_name. * tests/test-fstatat.c: Include progname.h. (main): Call set_program_name. * tests/test-mkdirat.c: Include progname.h. (main): Call set_program_name. * tests/test-openat.c: Include progname.h. (main): Call set_program_name. * tests/test-unlinkat.c: Include progname.h. (main): Call set_program_name. * tests/test-fdopendir.c: Include progname.h. (main): Call set_program_name.

--- a/tests/test-mkdirat.c
+++ b/tests/test-mkdirat.c
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+#include "progname.h"
 #include "ignore-value.h"
 #include "macros.h"
 
@@ -47,10 +48,12 @@
 }
 
 int
-main (void)
+main (int argc _GL_UNUSED, char *argv[])
 {
   int result;
 
+  set_program_name (argv[0]);
+
   /* Clean up any trash from prior testsuite runs.  */
   ignore_value (system ("rm -rf " BASE "*"));