Reduce indentation level by early bail-out.

Change-Id: I5e108efa0219620696d15a304d2f4e3566d58d57

sc/source/core/data/document.cxx

@@ -2438,15 +2438,18 @@ void ScDocument::CopyFromClip( const ScRange& rDestRange, const ScMarkData& rMar
                                 bool bAsLink, bool bIncludeFiltered, bool bSkipAttrForEmpty,
                                 const ScRangeList * pDestRanges )
 {
-    if (!bIsClip)
-    {
+    if (bIsClip)
+        return;
+
     if (!pClipDoc)
     {
         OSL_FAIL("CopyFromClip: no ClipDoc");
         pClipDoc = SC_MOD()->GetClipDoc();
     }
-        if (pClipDoc->bIsClip && pClipDoc->GetTableCount())
-        {
+
+    if (!pClipDoc->bIsClip || !pClipDoc->GetTableCount())
+        return;
+
     bool bOldAutoCalc = GetAutoCalc();
     SetAutoCalc( false );   // avoid multiple recalculations
 
@@ -2603,8 +2606,6 @@ void ScDocument::CopyFromClip( const ScRange& rDestRange, const ScMarkData& rMar
     if (bResetCut)
         pClipDoc->GetClipParam().mbCutMode = false;
     SetAutoCalc( bOldAutoCalc );
-        }
-    }
 }
 
 static SCROW lcl_getLastNonFilteredRow(