File zdiff.diff of Package gzip

Index: zdiff.in
===================================================================
--- zdiff.in.orig
+++ zdiff.in
@@ -133,9 +133,9 @@ case $file2 in
                                 5<&0
                     then
                         gzip_status=$(
-                          exec 4>&1
-                          ('gzip' -cdfq -- "$file1" 4>&-; echo $? >&4) 3>&- |
-                              (('gzip' -cdfq -- "$file2" 4>&-
+                          exec 4>&1 6<&0
+                          ('gzip' -cdfq -- "$file1" 4>&-; echo $? >&4) 3>&- 6<&- |
+                              (('gzip' -cdfq -- "$file2" 4>&- 0<&6 6<&-
                                 echo $? >&4) 3>&- 5<&- </dev/null |
                                eval "$cmp" /dev/fd/5 - >&3) 5<&0
                         )