Silence loplugin:unnecessarycatchthrow with --disable-debug

(An alternative fix could be to suppress warnings for catch blocks containing
preprocessor conditionals, but as these two places seem to be the only ones
affected, keep it simple for now.)

Change-Id: Ia83e56d1eab69bb2920ffdbbfc2182addce47963
Reviewed-on: https://gerrit.libreoffice.org/47331
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
diff --git a/basic/source/uno/namecont.cxx b/basic/source/uno/namecont.cxx
index 54b2f8e..de80d93 100644
--- a/basic/source/uno/namecont.cxx
+++ b/basic/source/uno/namecont.cxx
@@ -1926,24 +1926,26 @@ void SfxLibraryContainer::storeLibraries_Impl( const uno::Reference< embed::XSto
                uno::Reference< embed::XStorage > xLibraryStor;
                if( bStorage )
                {
#if OSL_DEBUG_LEVEL > 0
                    try
                    {
#endif
                        xLibraryStor = xTargetLibrariesStor->openStorageElement(
                                                                        rLib.aName,
                                                                        embed::ElementModes::READWRITE );
#if OSL_DEBUG_LEVEL > 0
                    }
                    catch(const uno::Exception& )
                    {
                        #if OSL_DEBUG_LEVEL > 0
                        Any aError( ::cppu::getCaughtException() );
                        SAL_WARN(
                            "basic",
                            "couldn't create sub storage for library \""
                                << rLib.aName << "\". Exception: "
                                << comphelper::anyToString(aError));
                        #endif
                        throw;
                    }
#endif
                }

                // Maybe lib is not loaded?!
@@ -2319,8 +2321,10 @@ void SAL_CALL SfxLibraryContainer::loadLibrary( const OUString& Name )
        uno::Reference< embed::XStorage > xLibraryStor;
        if( bStorage )
        {
#if OSL_DEBUG_LEVEL > 0
            try
            {
#endif
                xLibrariesStor = mxStorage->openStorageElement( maLibrariesDir, embed::ElementModes::READ );
                SAL_WARN_IF(
                    !xLibrariesStor.is(), "basic",
@@ -2340,19 +2344,19 @@ void SAL_CALL SfxLibraryContainer::loadLibrary( const OUString& Name )
                {
                    throw uno::RuntimeException("null returned from openStorageElement");
                }
#if OSL_DEBUG_LEVEL > 0
            }
            catch(const uno::Exception& )
            {
            #if OSL_DEBUG_LEVEL > 0
                Any aError( ::cppu::getCaughtException() );
                SAL_WARN(
                    "basic",
                    "couldn't open sub storage for library \"" << Name
                        << "\". Exception: "
                        << comphelper::anyToString(aError));
            #endif
                throw;
            }
#endif
        }

        Sequence< OUString > aNames = pImplLib->getElementNames();