trust the size ... tdf#79442 follow-up

... and don't unnecessarily loop over the whole range.
Actually a max/min typo.

Change-Id: I3dbda3a7388baa337c3922ad992fd3946074c3b7

sc/source/ui/docshell/externalrefmgr.cxx

@@ -2653,7 +2653,7 @@ void ScExternalRefManager::addFilesToLinkManager()
 
     SAL_WARN_IF( maSrcFiles.size() >= SAL_MAX_UINT16,
             "sc.ui", "ScExternalRefManager::addFilesToLinkManager: files overflow");
-    const sal_uInt16 nSize = static_cast<sal_uInt16>( std::max<size_t>( maSrcFiles.size(), SAL_MAX_UINT16));
+    const sal_uInt16 nSize = static_cast<sal_uInt16>( std::min<size_t>( maSrcFiles.size(), SAL_MAX_UINT16));
     for (sal_uInt16 nFileId = 0; nFileId < nSize; ++nFileId)
         maybeLinkExternalFile( nFileId);
 }