Fix shlibloadtest to properly execute the dso_ref test

Reviewed-by: NTim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7983)

test/shlibloadtest.c

@@ -117,6 +117,7 @@ static int test_lib(void)
 
     switch (test_type) {
     case JUST_CRYPTO:
+    case DSO_REFTEST:
         if (!TEST_true(shlib_load(path_crypto, &cryptolib)))
             goto end;
         break;
@@ -130,10 +131,6 @@ static int test_lib(void)
                 || !TEST_true(shlib_load(path_crypto, &cryptolib)))
             goto end;
         break;
-    case DSO_REFTEST:
-        if (!TEST_true(shlib_load(path_crypto, &cryptolib)))
-            goto end;
-        break;
     }
 
     if (test_type != JUST_CRYPTO && test_type != DSO_REFTEST) {
@@ -205,6 +202,7 @@ static int test_lib(void)
 
     switch (test_type) {
     case JUST_CRYPTO:
+    case DSO_REFTEST:
         if (!TEST_true(shlib_close(cryptolib)))
             goto end;
         break;
@@ -218,10 +216,6 @@ static int test_lib(void)
                 || !TEST_true(shlib_close(cryptolib)))
             goto end;
         break;
-    case DSO_REFTEST:
-        if (!TEST_true(shlib_close(cryptolib)))
-            goto end;
-        break;
     }
 
     result = 1;
@@ -242,7 +236,7 @@ int setup_tests(void)
     } else if (strcmp(p, "-just_crypto") == 0) {
         test_type = JUST_CRYPTO;
     } else if (strcmp(p, "-dso_ref") == 0) {
-        test_type = JUST_CRYPTO;
+        test_type = DSO_REFTEST;
     } else {
         TEST_error("Unrecognised argument");
         return 0;