Include limits.h in IOVec.h.

Summary:
According to the POSIX definition, IOV_MAX is defined in
limits.h. Given that IOVec.h is used to provide IOV_MAX and similar,
it seems like we should add limits.h as well.

Differential Revision: D3291996

fbshipit-source-id: 238140ebef7b1b90a28f3a67a25c5f5863538fc7

diff --git a/folly/portability/IOVec.h b/folly/portability/IOVec.h
index 74e48098865a60e5487fecb61abc8a3f793f2cd7..42116ff18460c1aa032fd31203e2d6f67b5d1805 100755 (executable)
--- a/folly/portability/IOVec.h
+++ b/folly/portability/IOVec.h
@@ -19,6 +19,7 @@
 // This file only exists because without it there would be
 // a circular dependency between SysUio.h, Sockets.h, and Unistd.h
 #ifndef _WIN32
+#include <limits.h>
 #include <sys/uio.h>
 #else
 #include <stdlib.h>