patch 8.0.0730: terminal feature only supports Unix-like systems

Problem:    Terminal feature only supports Unix-like systems.
Solution:   Prepare for adding an MS-Windows implementaiton.
diff --git a/src/version.c b/src/version.c
index 426daac..97ef94e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    730,
+/**/
     729,
 /**/
     728,