[PATCH] graphviz bugfix broke doxygen

There is a change in the Postscript output of dot from 
graphviz-2.9.20060302.0540 (and later) to use
    %%BoundingBox: (atend) 
so as to properly support multiple graphs in a single PostScript file 
according to page 39 of:
    http://partners.adobe.com/public/developer/en/ps/5001.DSC_Spec.pdf

Unfortunately this breaks doxygen which expects the first %%BoundingBox: 
record to contain the coordinates.

To fix this in a backward compatible way I suggest that doxygen should 
use the %%PageBoundingBox instead.

John



Index: src/dot.cpp
===================================================================
RCS file: /cvsroot/doxygen/src/dot.cpp,v
retrieving revision 1.107
diff -r1.107 dot.cpp
277c277
<     if (strncmp(buf,"%%BoundingBox: ",15)==0)
---
 >     if (strncmp(buf,"%%PageBoundingBox: ",19)==0)
280c280
<       if (sscanf(buf,"%%%%BoundingBox: %d %d %d 
%d",&x,&y,width,height)!=4)
---
 >       if (sscanf(buf,"%%%%PageBoundingBox: %d %d %d 
%d",&x,&y,width,height)!=4)






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