Compile fix for SCO OPenServer

[Aidan Van Dyk <aidan@highrise.ca>]

SCO OpenServer also hides the definitions of (at least) u_short and
friends if _XOPEN_SOURCE is defined.
---
Same patch as last time, updated for current master.

 git-compat-util.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/git-compat-util.h b/git-compat-util.h
index cf89cdf..42e3e0b 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -39,7 +39,7 @@
 /* Approximation of the length of the decimal representation of this type. */
 #define decimal_length(x)      ((int)(sizeof(x) * 2.56 + 0.5) + 1)

-#if !defined(__APPLE__) && !defined(__FreeBSD__)  && !defined(__USLC__) && !defined(_M_UNIX)
+#if !defined(__APPLE__) && !defined(__FreeBSD__)  && !defined(__USLC__) && !defined(_M_UNIX) && !defined(__OPENSERVER__)
 #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
 #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
 #endif
--
1.6.0.rc1.dirty