stdlib: Link tst-concurrent-exit with $(shared-thread-library)

This avoids a Hurd build failure.  Fixes commit f6ba993e0cda0ca
("stdlib: Allow concurrent exit (BZ 31997)").

diff --git a/stdlib/Makefile b/stdlib/Makefile
index 7eec68b73a2d54742cd0dff359183f0d18026794..f659c38feb15eceae30869d9d3dd7696df3866c6 100644 (file)
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -624,3 +624,4 @@ $(objpfx)tst-setcontext3.out: tst-setcontext3.sh $(objpfx)tst-setcontext3
        $(evaluate-test)
 
 $(objpfx)tst-qsort5: $(libm)
+$(objpfx)tst-concurrent-exit: $(shared-thread-library)