patch 8.2.2265: error message for missing endfunc/enddef is last line

Problem:    Error message for missing endfunc/enddef is last line.
Solution:   Report the line where the function starts. (closes #7582)
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 223b2fb..20ad3ba 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -98,6 +98,24 @@
   CheckScriptFailure(lines, 'E1152:', 4)
 enddef
 
+def Test_missing_endfunc_enddef()
+  var lines =<< trim END
+    vim9script
+    def Test()
+      echo 'test'
+    endef
+  END
+  CheckScriptFailure(lines, 'E1057:', 2)
+
+  lines =<< trim END
+    vim9script
+    func Some()
+      echo 'test'
+    enfffunc
+  END
+  CheckScriptFailure(lines, 'E126:', 2)
+enddef
+
 def ReturnString(): string
   return 'string'
 enddef
diff --git a/src/userfunc.c b/src/userfunc.c
index f0877e1..5fab412 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -3352,6 +3352,8 @@
 	    lines_left = Rows - 1;
 	if (theline == NULL)
 	{
+	    // Use the start of the function for the line number.
+	    SOURCING_LNUM = sourcing_lnum_top;
 	    if (skip_until != NULL)
 		semsg(_(e_missing_heredoc_end_marker_str), skip_until);
 	    else if (eap->cmdidx == CMD_def)
diff --git a/src/version.c b/src/version.c
index 3fc3c01..770c1c7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2265,
+/**/
     2264,
 /**/
     2263,