patch 8.0.1749: VMS: 100% CPU use, redefining mch_open() fails

Problem:    VMS: 100% CPU use, redefining mch_open() and mch_fopen() fails.
Solution:   Do not wait indefinitely in RealWaitForChar(). (Neil Rieck)
            Do not redefine mch_open() and mch_fopen() on VMS. (Zoltan
            Arpadffy)
diff --git a/src/version.c b/src/version.c
index 28a053a..5589204 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1749,
+/**/
     1748,
 /**/
     1747,