Fix for --enable-debug --disable-assert-always-abort

...found by <https://ci.libreoffice.org//job/lo_tb_random_config_linux/1480/>

Change-Id: Ia71abc74122b9935344bfe693ba1556f6980c6de
Reviewed-on: https://gerrit.libreoffice.org/60668
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

bridges/source/cpp_uno/gcc3_linux_x86-64/uno2cpp.cxx

@@ -317,7 +317,7 @@ void unoInterfaceProxyDispatch(
     {
     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
     {
-#if OSL_DEBUG_LEVEL > 0
+#if OSL_DEBUG_LEVEL > 0 && !defined NDEBUG
         // determine vtable call index
         sal_Int32 nMemberPos = reinterpret_cast<typelib_InterfaceMemberTypeDescription const *>(pMemberDescr)->nPosition;
         assert(nMemberPos < pTypeDescr->nAllMembers);
@@ -366,7 +366,7 @@ void unoInterfaceProxyDispatch(
     }
     case typelib_TypeClass_INTERFACE_METHOD:
     {
-#if OSL_DEBUG_LEVEL > 0
+#if OSL_DEBUG_LEVEL > 0 && !defined NDEBUG
         // determine vtable call index
         sal_Int32 nMemberPos = reinterpret_cast<typelib_InterfaceMemberTypeDescription const *>(pMemberDescr)->nPosition;
         assert(nMemberPos < pTypeDescr->nAllMembers);