merges r29743 from trunk into ruby_1_9_2.

--
* io.c (pipe_finalize): status is success if no process.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30135 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/io.c b/io.c
index 131bcf46a5..79c3024538 100644
--- a/io.c
+++ b/io.c
@@ -4793,7 +4793,7 @@ static void
 pipe_finalize(rb_io_t *fptr, int noraise)
 {
 #if !defined(HAVE_FORK) && !defined(_WIN32)
-    int status;
+    int status = 0;
     if (fptr->stdio_file) {
 	status = pclose(fptr->stdio_file);
     }