patch 8.2.1229: build error without the eval feature

Problem:    Build error without the eval feature.
Solution:   Declare starts_with_colon. Make function local.
diff --git a/src/version.c b/src/version.c
index 388cd16..e43f4e3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1229,
+/**/
     1228,
 /**/
     1227,