patch 8.0.1584: using C99 in Mac file gives compiler warning messages

Problem:    Using C99 in Mac file gives compiler warning messages.
Solution:   Add #prama's to avoid the warnings. (Kazunobu Kuriyama)

src/os_macosx.m

@@ -11,6 +11,14 @@
  * os_macosx.m -- Mac specific things for Mac OS X.
  */
 
+/* Suppress compiler warnings to non-C89 code. */
+#if defined(__clang__) && defined(__STRICT_ANSI__)
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wc99-extensions"
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wdeclaration-after-statement"
+#endif
+
 /* Avoid a conflict for the definition of Boolean between Mac header files and
  * X11 header files. */
 #define NO_X11_INCLUDES
@@ -189,3 +197,9 @@
 }
 
 #endif /* FEAT_CLIPBOARD */
+
+/* Lift the compiler warning suppression. */
+#if defined(__clang__) && defined(__STRICT_ANSI__)
+# pragma clang diagnostic pop
+# pragma clang diagnostic pop
+#endif

src/version.c

@@ -766,6 +766,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1584,
 /**/
     1583,
 /**/