Staging: iio: Do not use multiple blank lines

This patch removes unnecessary blank lines between functions.
Found by checkpatch.pl:
"CHECK: Please don't use multiple blank lines".

Signed-off-by: Cristina Opriceana <[e-mail]>
Reviewed-by: Daniel Baluta <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/iio/frequency/ad9834.c

···
 	return sprintf(buf, "%s\n", str);
 }
 
-
 static IIO_DEVICE_ATTR(out_altvoltage0_out0_wavetype_available, S_IRUGO,
 		       ad9834_show_out0_wavetype_available, NULL, 0);
 

drivers/staging/iio/frequency/ad9834.h

···
 	__be16				freq_data[2];
 };
 
-
 /*
  * TODO: struct ad7887_platform_data needs to go into include/linux/iio
  */