tests: add missing header

minor patch, which adds a missing string.h header to
mnt_test_sysinfo.c

Signed-Off-By: Matthias Koenig <mkoenig@suse.de>

diff --git a/tests/helpers/mnt_test_sysinfo.c b/tests/helpers/mnt_test_sysinfo.c
index 9bbcefa380f561ed7d6c0e1c5139511ba6629403..980f14c7231dc9dea4c1d0e3292e1184a3b5723f 100644 (file)
--- a/tests/helpers/mnt_test_sysinfo.c
+++ b/tests/helpers/mnt_test_sysinfo.c
@@ -1,6 +1,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 
 #include <limits.h>