patch 8.0.0346: Vim relies on limits.h to be included indirectly

Problem:    Vim relies on limits.h to be included indirectly, but on Solaris 9
            it may not be. (Ben Fritz)
Solution:   Always include limits.h.

src/os_unixx.h

@@ -69,16 +69,7 @@
 #endif
 
 #ifdef HAVE_SYS_SYSTEMINFO_H
-/*
- * foolish Sinix <sys/systeminfo.h> uses SYS_NMLN but doesn't include
- * <limits.h>, where it is defined. Perhaps other systems have the same
- * problem? Include it here. -- Slootman
- */
-# if defined(HAVE_LIMITS_H) && !defined(_LIMITS_H)
-#  include <limits.h>		/* for SYS_NMLN (Sinix 5.41 / Unix SysV.4) */
-# endif
-
-/* Define SYS_NMLN ourselves if it still isn't defined (for CrayT3E). */
+/* <sys/systeminfo.h> uses SYS_NMLN but it may not be defined (CrayT3E). */
 # ifndef SYS_NMLN
 #  define SYS_NMLN 32
 # endif

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    346,
 /**/
     345,
 /**/

src/vim.h

@@ -487,6 +487,9 @@ typedef unsigned long u8char_T;	    /* long should be 32 bits or more */
 # include <errno.h>
 #endif
 
+/* for INT_MAX et al. */
+#include <limits.h>
+
 /*
  * Allow other (non-unix) systems to configure themselves now
  * These are also in os_unix.h, because osdef.sh needs them there.