patch 8.1.0732: cannot build without the eval feature

Problem:    Cannot build without the eval feature.
Solution:   Make a copy of the sourced file name.

src/version.c

@@ -795,6 +795,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    732,
 /**/
     731,
 /**/