* io.c (fptr_finalize): clear errno first. [ruby-talk:284492]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@14858 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/io.c b/io.c
index 088b678c51..62fafbe594 100644
--- a/io.c
+++ b/io.c
@@ -2169,6 +2169,7 @@ fptr_finalize(fptr, noraise)
 {
     int n1 = 0, n2 = 0, f1, f2 = -1;
 
+    errno = 0;
     if (fptr->f2) {
 	f2 = fileno(fptr->f2);
 	while (n2 = 0, fflush(fptr->f2) < 0) {