talloc: ASAN fix for test_rusty
Direct leak of 100 byte(s) in 1 object(s) allocated from:
#0 0x7f06393dfc08 in __interceptor_malloc (/lib64/libasan.so.5+0xefc08)
#1 0x7f06392d1af3 in __talloc_with_prefix ../../talloc.c:782
#2 0x7f06392d1af3 in __talloc ../../talloc.c:824
#3 0x7f06392d1af3 in __talloc_strlendup ../../talloc.c:2455
#4 0x7f06392d1af3 in talloc_strdup ../../talloc.c:2471
#5 0x40b4f0 in test_rusty ../../testsuite.c:1543
#6 0x40b4f0 in torture_local_talloc ../../testsuite.c:2146
#7 0x402603 in main ../../testsuite_main.c:32
#8 0x7f063908a412 in __libc_start_main (/lib64/libc.so.6+0x24412)
Signed-off-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Matthias Dieter Wallnöfer <mdw@samba.org>