Redirect stderr on stdout so that ecexe/ec2c errors are visible to expect/runtest.

test/lus2lic.time

-testcase ./lus2lic.tests/non-reg.exp completed in 213 seconds
+testcase ./lus2lic.tests/non-reg.exp completed in 210 seconds
 testcase ./lus2lic.tests/progression.exp completed in 0 seconds

test/myec2c

+#!/bin/sh
+
+
+./ec2c $@  2>&1

test/site.exp

 set lus2lic "./lus2lic"
 set ec2c "./ec2c"
-set ec2c "./ec2c"
+set ec2c "./myec2c"
 set test_lus2lic_no_node "../utils/test_lus2lic_no_node"
 proc should_work { test_name command_line args } {
     global verbose
@@ -48,7 +48,7 @@ proc should_work { test_name command_line args } {
             set failed 1
             exp_continue
         }
-        "segmentation fault" {
+        "egmentation fault" {
             set failed 1
             exp_continue
         }