busybox/testsuite/tr/tr-d-alnum-works

# FEATURE: CONFIG_FEATURE_TR_CLASSES

echo testing | tr -d '[[:alnum:]]' > logfile.gnu
echo testing | busybox tr -d '[[:alnum:]]' > logfile.bb

diff -u logfile.gnu logfile.bb
randomtest fixes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2010-05-11 07:23:57 +05:30			`# FEATURE: CONFIG_FEATURE_TR_CLASSES`

- fix bug where we did not reject invalid classes like '[[:alpha' - debloat while at it: text data bss dec hex filename 1554 0 19 1573 625 tr.o.oorig 1357 0 16 1373 55d tr.o 2007-03-30 20:13:27 +05:30			`echo testing \| tr -d '[[:alnum:]]' > logfile.gnu`
			`echo testing \| busybox tr -d '[[:alnum:]]' > logfile.bb`

			`diff -u logfile.gnu logfile.bb`