staging: wilc1000: remove unused variable g_flushing_in_progress

g_flushing_in_progress is never used so just delete it.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
index 3ecf5b1..4151aae 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -132,7 +132,6 @@
 struct add_key_params g_add_ptk_key_params;
 struct wilc_wfi_key g_key_ptk_params;
 struct wilc_wfi_wep_key g_key_wep_params;
-u8 g_flushing_in_progress;
 bool g_ptk_keys_saved;
 bool g_gtk_keys_saved;
 bool g_wep_keys_saved;