Created attachment 354257 [details]
A simple document (LaTeX + figure) with a Makefile (all in a tarball)

Description of problem:
A figure created with xfig and translated into PDF with transfig crashes 

pgfimage:
! pdfTeX error (ext1): invalid image dimensions.
\pgfsys@defineimage ...@imagepage {\pgf@filename }
                                                  }\edef \pgf@image {\noexpa...
l.5   \pgfimage{square}
                       
!  ==> Fatal error occurred, no output PDF file produced!

Version-Release number of selected component (if applicable):
texlive-latex-2007-43.fc12.x86_64
transfig-3.2.5-7.fc12.x86_64
xfig-3.2.5-21.a.fc12.x86_64

How reproducible:
Always

Steps to Reproduce:
See the attached testcase. It translates the figure from .fig into .pdf and runs pdflatex on a simple document including the figure. 
  
Actual results:
...
(./testdoc.aux)
! pdfTeX error (ext1): invalid image dimensions.
\pgfsys@defineimage ...@imagepage {\pgf@filename }
                                                  }\edef \pgf@image {\noexpa...
l.5   \pgfimage{square}
                       
!  ==> Fatal error occurred, no output PDF file produced!
Transcript written on testdoc.log.
make: *** [testdoc.pdf] Error 1


Expected results:
Correct PDF document

Additional info: