[gnome-builder] ctags: fix match to check for alnum characters

[Christian Hergert <chergert src gnome org>]

commit 94fa8c3c6300184d5d6c3c7adeb59380beb7859c
Author: Christian Hergert <chergert redhat com>
Date:   Fri Nov 11 02:47:47 2016 -0800

    ctags: fix match to check for alnum characters

 plugins/ctags/ide-ctags-completion-provider.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/ctags/ide-ctags-completion-provider.c b/plugins/ctags/ide-ctags-completion-provider.c
index 765d98b..09a5b53 100644
--- a/plugins/ctags/ide-ctags-completion-provider.c
+++ b/plugins/ctags/ide-ctags-completion-provider.c
@@ -295,7 +295,7 @@ ide_ctags_completion_provider_match (GtkSourceCompletionProvider *provider,
 
       ch = gtk_text_iter_get_char (&iter);
 
-      if (g_unichar_isalnum (ch))
+      if (!g_unichar_isalnum (ch))
         return FALSE;
     }