Failing the leftover-rules check in the valgrind stage because

==1491== Invalid read of size 16
==1491==    at 0x5320AE8: __wcsnlen_sse4_1 (in /usr/lib64/libc-2.27.so)
==1491==    by 0x5310AD1: wcsrtombs (in /usr/lib64/libc-2.27.so)
==1491==    by 0x1AA403: ??? (in /usr/bin/bash)
==1491==    by 0x1AB3E3: glob_filename (in /usr/bin/bash)
==1491==    by 0x179FF1: shell_glob_filename (in /usr/bin/bash)
==1491==    by 0x1752CD: ??? (in /usr/bin/bash)
==1491==    by 0x14C05F: ??? (in /usr/bin/bash)
==1491==    by 0x14E2E3: execute_command_internal (in /usr/bin/bash)
==1491==    by 0x14FBC5: execute_command (in /usr/bin/bash)
==1491==    by 0x137598: reader_loop (in /usr/bin/bash)
==1491==    by 0x135D38: main (in /usr/bin/bash)
==1491==  Address 0x5651fd0 is 32 bytes before a block of size 128 in arena "client"

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>