drivers/rtc/rtc-fm3130.c: fix whitespace related issue

Silences the following checkpatch warning:

  WARNING: please, no space before tabs
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-fm3130.c

@@ -47,7 +47,7 @@
 
 struct fm3130 {
 	u8			reg_addr_time;
-	u8 			reg_addr_alarm;
+	u8			reg_addr_alarm;
 	u8			regs[15];
 	struct i2c_msg		msg[4];
 	struct i2c_client	*client;