XFA: Upgrade to libtiff 4.0.6.

third_party/libtiff/tif_strip.c

Index: third_party/libtiff/tif_strip.c
diff --git a/third_party/tiff_v403/tif_strip.c b/third_party/libtiff/tif_strip.c
similarity index 97%
rename from third_party/tiff_v403/tif_strip.c
rename to third_party/libtiff/tif_strip.c
index 2c15a70bdc12d2898a310818245c31cee61cb574..6cac71dd928a3ff3bfcc4d1f1843ca694dc19a3a 100644
--- a/third_party/tiff_v403/tif_strip.c
+++ b/third_party/libtiff/tif_strip.c
@@ -1,4 +1,4 @@
-/* $Id: tif_strip.c,v 1.35 2012-06-06 05:33:55 fwarmerdam Exp $ */
+/* $Id: tif_strip.c,v 1.36 2015-06-07 22:35:40 bfriesen Exp $ */
 
 /*
  * Copyright (c) 1991-1997 Sam Leffler
@@ -317,7 +317,14 @@ TIFFScanlineSize64(TIFF* tif)
 		}
 	}
 	else
+        {
 		scanline_size=TIFFhowmany_64(_TIFFMultiply64(tif,td->td_imagewidth,td->td_bitspersample,module),8);
+        }
+        if (scanline_size == 0)
+        {
+                TIFFErrorExt(tif->tif_clientdata,module,"Computed scanline size is zero");
+                return 0;
+        }
 	return(scanline_size);
 }
 tmsize_t
@@ -328,8 +335,7 @@ TIFFScanlineSize(TIFF* tif)
 	tmsize_t n;
 	m=TIFFScanlineSize64(tif);
 	n=(tmsize_t)m;
-	if ((uint64)n!=m)
-	{
+	if ((uint64)n!=m) {
 		TIFFErrorExt(tif->tif_clientdata,module,"Integer arithmetic overflow");
 		n=0;
 	}
@@ -381,4 +387,3 @@ TIFFRasterScanlineSize(TIFF* tif)
  * fill-column: 78
  * End:
  */
-