FTBFS: gnustep-base/1.20.0-1 (experimental)

[Yavor Doganov <yavor@gnu.org>]

Dear GNU/kFreeBSD porters,

Is this the right fix for the recent build failure of gnustep-base in
experimental [*]?  Thanks in advance!

[*] https://buildd.debian.org/fetch.cgi?pkg=gnustep-base&arch=kfreebsd-i386&ver=1.20.0-1&stamp=1274719148&file=log&as=raw

=== modified file 'Source/ObjectiveC2/sync.m'
--- Source/ObjectiveC2/sync.m	2010-03-25 23:28:52 +0000
+++ Source/ObjectiveC2/sync.m	2010-05-25 07:46:10 +0000
@@ -1,5 +1,5 @@
 /* Ensure Unix98 compatible pthreads for glibc */
-#if defined __linux__ || defined __GNU__
+#if defined __GLIBC__
 #  ifndef _XOPEN_SOURCE
 #    define _XOPEN_SOURCE 600
 #  endif