1d76bf881d3e18580739e44698a0d1a499c2f9f1
hiram
  Fri Oct 2 10:31:39 2015 -0700
fixup gcc warnings for -Wunused-but-set-variable refs #16121

diff --git src/lib/bbiRead.c src/lib/bbiRead.c
index 2e7188a..4a9945d 100644
--- src/lib/bbiRead.c
+++ src/lib/bbiRead.c
@@ -733,34 +733,33 @@
 	if (zoom->reductionLevel > bestReduction)
 	    {
 	    bestReduction = zoom->reductionLevel;
 	    bestZoom = zoom;
 	    }
 	}
 
     if (bestZoom != NULL)
 	{
 	udcSeek(udc, bestZoom->dataOffset);
 	bits32 zoomSectionCount = udcReadBits32(udc, isSwapped);
 	bits32 i;
 	for (i=0; i<zoomSectionCount; ++i)
 	    {
 	    /* Read, but ignore, position. */
-	    bits32 chromId, chromStart, chromEnd;
-	    chromId = udcReadBits32(udc, isSwapped);
-	    chromStart = udcReadBits32(udc, isSwapped);
-	    chromEnd = udcReadBits32(udc, isSwapped);
+	    udcReadBits32(udc, isSwapped);  // chromId
+	    udcReadBits32(udc, isSwapped);  // chromStart
+	    udcReadBits32(udc, isSwapped);  // chromEnd
 
 	    /* First time through set values, rest of time add to them. */
 	    if (i == 0)
 		{
 		res.validCount = udcReadBits32(udc, isSwapped);
 		res.minVal = udcReadFloat(udc, isSwapped);
 		res.maxVal = udcReadFloat(udc, isSwapped);
 		res.sumData = udcReadFloat(udc, isSwapped);
 		res.sumSquares = udcReadFloat(udc, isSwapped);
 		}
 	    else
 		{
 		res.validCount += udcReadBits32(udc, isSwapped);
 		float minVal = udcReadFloat(udc, isSwapped);
 		if (minVal < res.minVal) res.minVal = minVal;