2016-03-31  Adhemerval Zanella  <adhemerval.zanella@linaro.org>

	* elf/tst-dlsym-error.c: Include <string.h> for strchrnul.

Index: glibc-2.23/elf/tst-dlsym-error.c
===================================================================
--- glibc-2.23.orig/elf/tst-dlsym-error.c
+++ glibc-2.23/elf/tst-dlsym-error.c
@@ -20,6 +20,7 @@
 #include <gnu/lib-names.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 /* Used to disambiguate symbol names.  */
 static int counter;