patch 8.1.0515: reloading a script gives errors for existing functions
Problem: Reloading a script gives errors for existing functions.
Solution: Allow redefining a function once when reloading a script.
diff --git a/src/globals.h b/src/globals.h
index 511479d..131c13b 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -326,7 +326,7 @@
EXTERN int garbage_collect_at_exit INIT(= FALSE);
// Script CTX being sourced or was sourced to define the current function.
-EXTERN sctx_T current_sctx INIT(= {0 COMMA 0});
+EXTERN sctx_T current_sctx INIT(= {0 COMMA 0 COMMA 0});
#endif
EXTERN int did_source_packages INIT(= FALSE);