[libpng16] specify full path name of huge_*safe_to_copy.png in pngtest-badpngs
diff --git a/tests/pngtest-badpngs b/tests/pngtest-badpngs
index c4449c3..7777523 100755
--- a/tests/pngtest-badpngs
+++ b/tests/pngtest-badpngs
@@ -8,6 +8,6 @@
 ./pngtest --xfail ${srcdir}/contrib/testpngs/crashers/bad_iCCP.png
 ./pngtest --xfail ${srcdir}/contrib/testpngs/crashers/empty_ancillary_chunks.png
 ./pngtest --xfail ${srcdir}/contrib/testpngs/crashers/huge_*_chunk.png \
-    huge_*safe_to_copy.png
+    ${srcdir}/contrib/testpngs/crashers/huge_*safe_to_copy.png
 
 exec ./pngtest --xfail ${srcdir}/contrib/testpngs/crashers/huge_IDAT.png