patch 8.1.0362: cannot get the script line number when executing a function

Problem:    Cannot get the script line number when executing a function.
Solution:   Store the line number besides the script ID. (Ozaki Kiichi,
            closes #3362)  Also display the line number with ":verbose set".
diff --git a/src/fileio.c b/src/fileio.c
index d00dc5e..056ac91 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -7700,7 +7700,7 @@
     char	    nested;		/* If autocommands nest here */
     char	    last;		/* last command in list */
 #ifdef FEAT_EVAL
-    scid_T	    scriptID;		/* script ID where defined */
+    sctx_T	    script_ctx;		/* script context where defined */
 #endif
     struct AutoCmd  *next;		/* Next AutoCmd in list */
 } AutoCmd;
@@ -7962,7 +7962,7 @@
 	    msg_outtrans(ac->cmd);
 #ifdef FEAT_EVAL
 	    if (p_verbose > 0)
-		last_set_msg(ac->scriptID);
+		last_set_msg(ac->script_ctx);
 #endif
 	    if (got_int)
 		return;
@@ -8845,7 +8845,8 @@
 		return FAIL;
 	    ac->cmd = vim_strsave(cmd);
 #ifdef FEAT_EVAL
-	    ac->scriptID = current_SID;
+	    ac->script_ctx = current_sctx;
+	    ac->script_ctx.sc_lnum += sourcing_lnum;
 #endif
 	    if (ac->cmd == NULL)
 	    {
@@ -9412,7 +9413,7 @@
     AutoPatCmd	patcmd;
     AutoPat	*ap;
 #ifdef FEAT_EVAL
-    scid_T	save_current_SID;
+    sctx_T	save_current_sctx;
     void	*save_funccalp;
     char_u	*save_cmdarg;
     long	save_cmdbang;
@@ -9621,7 +9622,7 @@
     sourcing_lnum = 0;		/* no line number here */
 
 #ifdef FEAT_EVAL
-    save_current_SID = current_SID;
+    save_current_sctx = current_sctx;
 
 # ifdef FEAT_PROFILE
     if (do_profiling == PROF_YES)
@@ -9725,7 +9726,7 @@
     autocmd_bufnr = save_autocmd_bufnr;
     autocmd_match = save_autocmd_match;
 #ifdef FEAT_EVAL
-    current_SID = save_current_SID;
+    current_sctx = save_current_sctx;
     restore_funccal(save_funccalp);
 # ifdef FEAT_PROFILE
     if (do_profiling == PROF_YES)
@@ -9949,7 +9950,7 @@
     retval = vim_strsave(ac->cmd);
     autocmd_nested = ac->nested;
 #ifdef FEAT_EVAL
-    current_SID = ac->scriptID;
+    current_sctx = ac->script_ctx;
 #endif
     if (ac->last)
 	acp->nextcmd = NULL;