Fixed crash if attempts to Note were done before output buffer ready

doc.cpp

@@ -1797,6 +1797,10 @@ CLine * pOriginalLine = m_pCurrentLine;
 CString strOriginalText;
 CString strLine (lpszText, size);
 
+  // cannot go very far without this - must be called at world loadup from a plugin OnPluginInstall
+  if (m_pLinePositions == NULL)
+    return;
+
   // decompressed data has a size, not a null terminator.
   // Also, compressed data may have imbedded nulls.
 

scripting/methods/methods_noting.cpp

@@ -46,7 +46,7 @@ void CMUSHclientDoc::Tell(LPCTSTR Message)
     return;
 
   // if output buffer doesn't exist yet, remember note for later
-  if (m_pCurrentLine == NULL)
+  if (m_pCurrentLine == NULL || m_pLinePositions == NULL)
     {
     COLORREF fore = m_iNoteColourFore, 
              back = m_iNoteColourBack;
@@ -520,7 +520,7 @@ void CMUSHclientDoc::Hyperlink(LPCTSTR Action,
                                BOOL URL) 
 {
   // return if attempt to do tell (or note) before output buffer exists
-  if (m_pCurrentLine == NULL)
+  if (m_pCurrentLine == NULL || m_pLinePositions == NULL)
     return;
 
   // don't muck around if empty message