fix some crypto leaks

Change-Id: I8f0eddd5ec82200dca374c2191ed5ac28c66089a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/116100
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

desktop/CppunitTest_desktop_lib.mk

@@ -38,6 +38,12 @@ $(eval $(call gb_CppunitTest_use_externals,desktop_lib, \
     boost_headers \
     cairo \
 ))
+ifeq ($(TLS),NSS)
+$(eval $(call gb_CppunitTest_use_externals,desktop_lib,\
+       plc4 \
+       nss3 \
+))
+endif
 
 $(eval $(call gb_CppunitTest_set_include,desktop_lib,\
     -I$(SRCDIR)/desktop/inc \

desktop/qa/desktop_lib/test_desktop_lib.cxx

@@ -7,6 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#include <config_oox.h>
 #include <memory>
 #include <string_view>
 
@@ -59,6 +60,10 @@
 
 #include <cppunit/TestAssert.h>
 
+#if USE_TLS_NSS
+#include <nss.h>
+#endif
+
 using namespace com::sun::star;
 using namespace desktop;
 
@@ -95,6 +100,7 @@ public:
     m_nTrackChanges(0)
     {
     }
+    ~DesktopLOKTest();
 
     void readFileIntoByteVector(
         std::u16string_view sFilename, std::vector<sal_uInt8> & rByteVector);
@@ -290,6 +296,13 @@ public:
     std::unique_ptr<LibLODocument_Impl> m_pDocument;
 };
 
+DesktopLOKTest::~DesktopLOKTest()
+{
+#if USE_TLS_NSS
+    NSS_Shutdown();
+#endif
+}
+
 static Control* GetFocusControl(vcl::Window const * pParent)
 {
     sal_uInt16 nChildren = pParent->GetChildCount();