staging: wilc1000: fix too many leading tabs warning in sdio_clear_int_ext()

Refactor sdio_clear_int_ext() function to remove "Too many leading tabs"
warning reported by checkpatch.pl script.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_sdio.c

@@ -871,6 +871,7 @@ static int sdio_clear_int_ext(struct wilc *wilc, u32 val)
 {
 	struct sdio_func *func = dev_to_sdio_func(wilc->dev);
 	int ret;
+	int vmm_ctl;
 
 	if (g_sdio.has_thrpt_enh3) {
 		u32 reg;
@@ -909,7 +910,8 @@ static int sdio_clear_int_ext(struct wilc *wilc, u32 val)
 				goto _fail_;
 			}
 		}
-	} else {
+		return 1;
+	}
 	if (g_sdio.irq_gpio) {
 		/* see below. has_thrpt_enh2 uses register 0xf8 to clear interrupts. */
 		/* Cannot clear multiple interrupts. Must clear each interrupt individually */
@@ -954,9 +956,6 @@ static int sdio_clear_int_ext(struct wilc *wilc, u32 val)
 		}
 	}
 
-		{
-			u32 vmm_ctl;
-
 	vmm_ctl = 0;
 	/* select VMM table 0 */
 	if ((val & SEL_VMM_TBL0) == SEL_VMM_TBL0)
@@ -984,9 +983,6 @@ static int sdio_clear_int_ext(struct wilc *wilc, u32 val)
 			goto _fail_;
 		}
 	}
-		}
-	}
-
 	return 1;
 _fail_:
 	return 0;