tif_fax3 bug fix per Roman Shpount

ChangeLog

@@ -1,3 +1,8 @@
+2000-09-26  Frank Warmerdam  <warmerda@cs46980-c>
+
+	* Applied patch for 0x0000 sequences in tif_fax3.h's definition
+	of EXPAND1D() as per bug 11 (from Roman). 
+
 2000-09-25  Frank Warmerdam  <warmerda@cs46980-c>
 	* Fixed tiffcomp.h to avoid win32 stuff if unix #defined, to improve
 	cygwin compatibility.

libtiff/tif_fax3.h

@@ -1,4 +1,4 @@
-/* $Id: tif_fax3.h,v 1.2 1999-09-17 04:08:59 mwelles Exp $ */
+/* $Id: tif_fax3.h,v 1.3 2000-09-26 12:59:19 warmerda Exp $ */
 
 /*
  * Copyright (c) 1990-1997 Sam Leffler
@@ -360,6 +360,8 @@ static const char* StateNames[] = {
     doneBlack1d:							\
 	if (a0 >= lastx)						\
 	    goto done1d;						\
+        if( *(pa-1) == 0 && *(pa-2) == 0 )				\
+            pa -= 2;                                                    \
     }									\
 eof1d:									\
     prematureEOF(a0);							\