zfs_context: move loff_t declaration to sys/types.h

Sponsored-by: https://despairlabs.com/sponsor/
Signed-off-by: Rob Norris <robn@despairlabs.com>

Author: robn

include/sys/zfs_context.h

@@ -130,10 +130,6 @@ extern "C" {
 
 #include <sys/zfs_context_os.h>
 
-#ifdef __FreeBSD__
-typedef off_t loff_t;
-#endif
-
 #endif  /* _KERNEL || _STANDALONE */
 
 #ifdef __cplusplus

lib/libspl/include/sys/types.h

@@ -50,4 +50,8 @@ typedef int		projid_t;
 
 #include <sys/param.h> /* for NBBY */
 
+#ifdef __FreeBSD__
+typedef off_t loff_t;
+#endif
+
 #endif