patch 8.2.4756: build error without the +eval feature

Problem:    Build error without the +eval feature.
Solution:   Adjust #ifdefs.
diff --git a/src/version.c b/src/version.c
index 017557e..cb069bc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4756,
+/**/
     4755,
 /**/
     4754,