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Correct the test for the nominal generic region template 0 AT pixel 
positions. The previous change invoked the optimized routine for the 
wrong template, causing a regression with ubc test stream 042_10. 


git-svn-id: http://svn.ghostscript.com/jbig2dec/trunk@355 ded80894-8fb9-0310-811b-c03f3676ab4d

--- a/jbig2_generic.c

+++ b/jbig2_generic.c

@@ -488,9 +488,9 @@

   if (!params->MMR && params->GBTEMPLATE == 0) {

     if (gbat[0] == +3 && gbat[1] == -1 &&

-        gbat[2] == -3 && gbat[4] == -1 &&

+        gbat[2] == -3 && gbat[3] == -1 &&

         gbat[4] == +2 && gbat[5] == -2 &&

-        gbat[6] == +2 && gbat[7] == -2)

+        gbat[6] == -2 && gbat[7] == -2)

       return jbig2_decode_generic_template0(ctx, segment, params,

                                           as, image, GB_stats);

     else