Updated testsuite files for new NLS output

testsuite/pwdx.test/pwdx.exp

@@ -3,12 +3,12 @@ set pwdx "${topdir}pwdx"
 # Run pwdx with no arguments
 set test "pwdx no args"
 spawn $pwdx
-expect_pass "$test" "^Usage: pwdx pid\.\.\."
+expect_pass "$test" "^\\s*Usage:\\s+\(lt-\)\?pwdx \\\[options\\\] pid\.\.\."
 
 # Run pwdx with pid 0 which is invalid
 set test "pwdx pid 0 should be invalid"
 spawn $pwdx 0
-expect_pass "$test" "^pwdx: invalid process id"
+expect_pass "$test" "^0: No such process"
 
 # Run pwdx with existing pid
 set test "pwdx finds sleep in cwd"