Make ALWAYS_FAIL_ON_NONZERO_RETURN print right pass/fail (#150)

It was doing the correct test case pass/fail but was not printing the right
pass/fail for this check.  Now it does.

I did not add a unit test for this since I think this is a more minor issue
(and I am not sure how to test it).

Build/Test Cases Summary
Enabled Packages:
Enabled all Packages
0) MPI_DEBUG => passed: passed=215,notpassed=0 (0.47 min)
1) SERIAL_RELEASE => passed: passed=215,notpassed=0 (0.43 min)

tribits/core/utils/DriveAdvancedTest.cmake

@@ -307,11 +307,14 @@ FUNCTION(DRIVE_ADVANCED_TEST)
       # C) Check for return code always 0?
       IF (TEST_${CMND_IDX}_ALWAYS_FAIL_ON_NONZERO_RETURN)
         IF (NOT EXEC_RESULT EQUAL 0)
+          SET(ALWAYS_FAIL_ON_NONZERO_RETURN_RESULT PASSED)
           SET(TEST_CASE_PASSED FALSE)
+        ELSE()
+          SET(ALWAYS_FAIL_ON_NONZERO_RETURN_RESULT FAILED)
         ENDIF()
         PRINT_SINGLE_CHECK_RESULT(
           "TEST_${CMND_IDX}: Pass criteria = ALWAYS_FAIL_ON_NONZERO_RETURN"
-          ${TEST_CASE_PASSED} )
+          ${ALWAYS_FAIL_ON_NONZERO_RETURN_RESULT} )
       ENDIF()
 
       # D) Invert pass/fail result?