emacs-29 1f2214dabd0: Skip over whitespace in annotation-top-cont check (bug#63141)

[Theodor Thornhill]

branch: emacs-29
commit 1f2214dabd012cfa730e60a88d73aded53a2f53b
Author: Theodor Thornhill <theo@thornhill.no>
Commit: Theodor Thornhill <theo@thornhill.no>

    Skip over whitespace in annotation-top-cont check (bug#63141)
    
    * lisp/progmodes/csharp-mode.el (csharp-guess-basic-syntax): Make sure
    we skip over whitespace when looking for the next '['.
---
 lisp/progmodes/csharp-mode.el | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/progmodes/csharp-mode.el b/lisp/progmodes/csharp-mode.el
index 47cd13e7fdb..4f7cbc3d51d 100644
--- a/lisp/progmodes/csharp-mode.el
+++ b/lisp/progmodes/csharp-mode.el
@@ -468,7 +468,10 @@ compilation and evaluation time conflicts."
     (save-excursion
       (goto-char (c-point 'iopl))
       (and
-       (eq (char-after) ?\[)
+       (eq (save-excursion
+             (skip-chars-forward " \t\n")
+             (char-after))
+           ?\[)
        (save-excursion
          (c-go-list-forward)
          (and (eq (char-before) ?\])