gnulib-tool: fix a detail in tests/Makefile.am

[Bruno Haible]

Applied this:

2007-12-09  Bruno Haible  <address@hidden>

        * gnulib-tool (func_emit_tests_Makefile_am): Expand references to
        the build-aux directory.

*** gnulib-tool.bak
--- gnulib-tool
***************
*** 1883,1889 ****
    echo
    echo "LDADD = ${testsbase_inverse}/${sourcebase-lib}/${libname}.${libext}"
    echo
!   cat allsnippets.tmp
    echo "# Clean up after Solaris cc."
    echo "clean-local:"
    echo "      rm -rf SunWS_cache"
--- 1883,1890 ----
    echo
    echo "LDADD = ${testsbase_inverse}/${sourcebase-lib}/${libname}.${libext}"
    echo
!   cat allsnippets.tmp \
!     | sed -e 's|\$(top_srcdir)/build-aux/|$(top_srcdir)/'"$auxdir"'/|g'
    echo "# Clean up after Solaris cc."
    echo "clean-local:"
    echo "      rm -rf SunWS_cache"