Fixed dynlib Windows issues after merge.

Signed-off-by: Martin Bremmer <martin.bremmer@adlinktech.com>

src/ddsrt/tests/CMakeLists.txt

@@ -10,6 +10,7 @@
 # SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 #
 include(CUnit)
+include(GenerateExportHeader)
 include(GenerateDummyExportHeader)
 
 list(APPEND sources
@@ -90,10 +91,7 @@ generate_dummy_export_header(
   BASE_NAME dds
   EXPORT_FILE_NAME "${CMAKE_CURRENT_BINARY_DIR}/include/dds/export.h")
 
-generate_dummy_export_header(
-  ${test_lib_name}
-  BASE_NAME lib_test
-  EXPORT_FILE_NAME "${CMAKE_CURRENT_BINARY_DIR}/lib_test_export.h")
+generate_export_header(${test_lib_name} BASE_NAME LIB_TEST)
 
 if(HAVE_MULTI_PROCESS)
   # A separate application is required to test process management.

src/ddsrt/tests/dynlib.c

@@ -185,14 +185,3 @@ CU_Test(ddsrt_library, dlclose_error)
     CU_ASSERT_EQUAL(r, DDS_RETCODE_ERROR);
 
 }
-
-CU_Test(ddsrt_library, dlerror_notfound)
-{
-    char buffer[256];
-    dds_return_t r;
-    ddsrt_dlerror(buffer, sizeof(buffer));
-    r = ddsrt_dlerror(buffer, sizeof(buffer));
-    CU_ASSERT_EQUAL(r, DDS_RETCODE_NOT_FOUND);
-
-}
-