patch 8.2.2513: Vim9: missing part of :vim9cmd change

Problem:    Vim9: missing part of :vim9cmd change.
Solution:   Use command modifier in in_vim9script().
diff --git a/src/version.c b/src/version.c
index dabc2af..20bc9a2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2513,
+/**/
     2512,
 /**/
     2511,
diff --git a/src/vim9script.c b/src/vim9script.c
index fea4785..d40104c 100644
--- a/src/vim9script.c
+++ b/src/vim9script.c
@@ -23,7 +23,8 @@
     // Do not go up the stack, a ":function" inside vim9script uses legacy
     // syntax.  "sc_version" is also set when compiling a ":def" function in
     // legacy script.
-    return current_sctx.sc_version == SCRIPT_VERSION_VIM9;
+    return current_sctx.sc_version == SCRIPT_VERSION_VIM9
+		|| (cmdmod.cmod_flags & CMOD_VIM9CMD);
 }
 
 /*