fixed a memory leak where a style context was not being released when

the table cell set the table column's style.

layout/html/table/src/nsTableFrame.cpp

@@ -2526,9 +2526,10 @@ nsTableFrame::SetColumnStyleFromCell(nsIPresContext  * aPresContext,
         if (nsTableColFrame::eWIDTH_SOURCE_CELL != colFrame->GetWidthSource()) 
         {
           // get the column style and set the width attribute
-          nsIStyleContext* colSC;
+          nsIStyleContext *colSC;
           colFrame->GetStyleContext(aPresContext, colSC);
           nsStylePosition* colPosition = (nsStylePosition*) colSC->GetMutableStyleData(eStyleStruct_Position);
+          NS_RELEASE(colSC);
           // set the column width attribute
           if (eStyleUnit_Coord == cellPosition->mWidth.GetUnit())
           {

layout/tables/nsTableFrame.cpp

@@ -2526,9 +2526,10 @@ nsTableFrame::SetColumnStyleFromCell(nsIPresContext  * aPresContext,
         if (nsTableColFrame::eWIDTH_SOURCE_CELL != colFrame->GetWidthSource()) 
         {
           // get the column style and set the width attribute
-          nsIStyleContext* colSC;
+          nsIStyleContext *colSC;
           colFrame->GetStyleContext(aPresContext, colSC);
           nsStylePosition* colPosition = (nsStylePosition*) colSC->GetMutableStyleData(eStyleStruct_Position);
+          NS_RELEASE(colSC);
           // set the column width attribute
           if (eStyleUnit_Coord == cellPosition->mWidth.GetUnit())
           {