[glib: 1/2] gcancellable: Mark a variable as unused if built with G_DISABLE_ASSERT

[Simon McVittie <smcv src gnome org>]

commit 30a31b21fba84af758175259bbf654bff39400f6
Author: Philip Withnall <withnall endlessm com>
Date:   Tue Sep 1 12:23:19 2020 +0100

    gcancellable: Mark a variable as unused if built with G_DISABLE_ASSERT
    
    It’s only used in an assertion. This fixes a compiler warning.
    
    Signed-off-by: Philip Withnall <withnall endlessm com>

 gio/gcancellable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gio/gcancellable.c b/gio/gcancellable.c
index 3008ecf6f..00df6998d 100644
--- a/gio/gcancellable.c
+++ b/gio/gcancellable.c
@@ -349,7 +349,7 @@ g_cancellable_get_fd (GCancellable *cancellable)
 {
   GPollFD pollfd;
 #ifndef G_OS_WIN32
-  gboolean retval;
+  gboolean retval G_GNUC_UNUSED  /* when compiling with G_DISABLE_ASSERT */;
 #endif
 
   if (cancellable == NULL)