Rename VMS macro to MK_OS_VMS

* src/makeint.h: Set MK_OS_VMS to 1 if we're on VMS.
* src/*: Convert all #if references to VMS, to use MK_OS_VMS.
* gl/lib/*: Ditto.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/job.h b/src/job.h
index 28f481ed..e0bdced2 100644
--- a/src/job.h
+++ b/src/job.h
@@ -18,7 +18,7 @@ this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* Structure describing a running or dead child process.  */
 
-#ifdef VMS
+#if MK_OS_VMS
 #define VMSCHILD                                                        \
     char *comname;              /* Temporary command file name */       \
     int efn;                    /* Completion event flag number */      \