patch 9.0.0637: syntax of commands in Vim9 script depends on +eval feature

Problem:    Syntax of commands in Vim9 script depends on +eval feature.
Solution:   Use same syntax with and without the +eval feature.
diff --git a/src/version.c b/src/version.c
index 2534e06..7c8be05 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    637,
+/**/
     636,
 /**/
     635,