bug 664084 - set but unused nsresult in nsHTMLTableAccessible.cpp:1208 r=surkov

From 98228e034f021e8ab897537f0aa280e622cf2fc3 Mon Sep 17 00:00:00 2001
---
 accessible/src/html/nsHTMLTableAccessible.cpp |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

accessible/src/html/nsHTMLTableAccessible.cpp

@@ -1212,13 +1212,9 @@ nsHTMLTableAccessible::RemoveRowsOrColumnsFromSelection(PRInt32 aIndex,
     const_cast<nsFrameSelection*>(presShell->ConstFrameSelection());
 
   PRBool doUnselectRow = (aTarget == nsISelectionPrivate::TABLESELECTION_ROW);
-
-  nsresult rv = NS_OK;
   PRInt32 count = 0;
-  if (doUnselectRow)
-    rv = GetColumnCount(&count);
-  else
-    rv = GetRowCount(&count);
+  nsresult rv = doUnselectRow ? GetColumnCount(&count) : GetRowCount(&count);
+  NS_ENSURE_SUCCESS(rv, rv);
 
   PRInt32 startRowIdx = doUnselectRow ? aIndex : 0;
   PRInt32 endRowIdx = doUnselectRow ? aIndex : count - 1;