mmc: core: fix variable being overwritten

The status variable is being overwritten by label variable,
since the latter is an array of 0 length. Hence, move label
to be the last member of the structure.

CRs-fixed: 642326
Change-Id: If63d760427b729fe60731aad89144a600f2a2cb7
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>

drivers/mmc/core/slot-gpio.c

@@ -21,8 +21,8 @@ struct mmc_gpio {
 	int ro_gpio;
 	int cd_gpio;
 	char *ro_label;
-	char cd_label[0];
 	bool status;
+	char cd_label[0]; /* Must be last entry */
 };
 
 static int mmc_gpio_get_status(struct mmc_host *host)