removes the unused variable in drivers/char/esp.c

Hi,

This patch would remove the 'unused variable'
error in drivers/char/esp.c

Regards
KK

=============================================
diffstat output:

esp.c | 2 +-

1 files changed, 1 insertion(+), 1 deletion(-)

=============================================
The following is the patch:

@@ -2632,7 +2632,7 @@
 static void __exit espserial_exit(void) 
 {
 	unsigned long flags;
-	int e1, e2;
+	int e1;
 	unsigned int region_start, region_end;
 	struct esp_struct *temp_async;
 	struct esp_pio_buffer *pio_buf;