patch 9.0.1364: build error with older Mac OS

Problem:    Build error with older Mac OS.
Solution:   Adjust #ifdef. (Yee Cheng Chin, closes #12074)

Author: ychin

src/os_mac.h

@@ -272,7 +272,8 @@
 
 # include <dispatch/dispatch.h>
 
-# ifndef MAC_OS_X_VERSION_10_12
+# if !defined(MAC_OS_X_VERSION_10_12) \
+	|| (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_12)
 typedef int clockid_t;
 # endif
 # ifndef CLOCK_REALTIME

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1364,
 /**/
     1363,
 /**/