[gnome-builder/wip/gtk4-port] plugins/clang: cleanup chunk retrieval

[Christian Hergert <chergert src gnome org>]

commit e9556afd38676cb60355b75d6a276699d779aa2a
Author: Christian Hergert <chergert redhat com>
Date:   Fri May 13 17:45:15 2022 -0700

    plugins/clang: cleanup chunk retrieval

 src/plugins/clang/ide-clang-completion-provider.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/plugins/clang/ide-clang-completion-provider.c 
b/src/plugins/clang/ide-clang-completion-provider.c
index c3ea71eb0..24c4b4baa 100644
--- a/src/plugins/clang/ide-clang-completion-provider.c
+++ b/src/plugins/clang/ide-clang-completion-provider.c
@@ -175,6 +175,7 @@ ide_clang_completion_provider_activate (GtkSourceCompletionProvider *provider,
   GtkSourceBuffer *buffer;
   GtkSourceView *view;
   GtkTextIter begin, end;
+  guint n_chunks;
 
   g_assert (IDE_IS_CLANG_COMPLETION_PROVIDER (self));
   g_assert (GTK_SOURCE_IS_COMPLETION_CONTEXT (context));
@@ -213,17 +214,18 @@ ide_clang_completion_provider_activate (GtkSourceCompletionProvider *provider,
     gtk_text_buffer_delete (GTK_TEXT_BUFFER (buffer), &begin, &end);
 
   snippet = ide_clang_completion_item_get_snippet (item, file_settings);
+  n_chunks = gtk_source_snippet_get_n_chunks (snippet);
 
   /* Check the last snippet chunk and see if it matches our current
    * position so we can omit it.
    */
-  if (gtk_source_snippet_get_n_chunks (snippet) > 0)
+  if (n_chunks > 0)
     {
       GtkSourceSnippetChunk *chunk;
       const gchar *text;
       GtkTextIter limit;
 
-      chunk = gtk_source_snippet_get_nth_chunk (snippet, gtk_source_snippet_get_n_chunks (snippet) - 1);
+      chunk = gtk_source_snippet_get_nth_chunk (snippet, n_chunks-1);
       text = gtk_source_snippet_chunk_get_text (chunk);
       limit = end;