Fix a C++11 compile error with clang.

https://github.com/mxcl/homebrew/pull/22016#issuecomment-23222977

1 files changed, 1 insertions, 1 deletions

diff --git a/exec.cpp b/exec.cpp
index dbfb6666..daad09f7 100644
--- a/exec.cpp
+++ b/exec.cpp
@@ -376,7 +376,7 @@ static void launch_process_nofork(process_t *p)
 */
 static int has_fd(const io_chain_t &d, int fd)
 {
-    return io_chain_get(d, fd) != NULL;
+    return io_chain_get(d, fd).get() != NULL;
 }
 
 /**