Fix build on OS X

System/Posix/Files/Common.hsc

@@ -85,7 +85,10 @@ import System.IO.Unsafe
 import Data.Bits
 #if defined(HAVE_STRUCT_STAT_ST_CTIM) || \
     defined(HAVE_STRUCT_STAT_ST_MTIM) || \
-    defined(HAVE_STRUCT_STAT_ST_ATIM)
+    defined(HAVE_STRUCT_STAT_ST_ATIM) || \
+    defined(HAVE_STRUCT_STAT_ST_ATIMESPEC) || \
+    defined(HAVE_STRUCT_STAT_ST_MTIMESPEC) || \
+    defined(HAVE_STRUCT_STAT_ST_CTIMESPEC)
 import Data.Int
 import Data.Ratio
 #endif