i2c_helper_linux: Clean up whitespace a bit

Use tabs to indent code and drop an unnecessary newline.

Change-Id: I8fe4a8b9213677e0d0bee9681abf94726c934cc6
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/52828
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
diff --git a/i2c_helper_linux.c b/i2c_helper_linux.c
index 7744505..963c399 100644
--- a/i2c_helper_linux.c
+++ b/i2c_helper_linux.c
@@ -50,13 +50,12 @@
 	if (ret < 0) {
 		msg_perr("Unable to set I2C slave address to 0x%02x: %s.\n", addr, strerror(errno));
 		i2c_close(fd);
-                return ret;
+		return ret;
 	}
 
 	return fd;
 }
 
-
 int i2c_open(int bus, uint16_t addr, int force)
 {
 	char dev[sizeof(I2C_DEV_PREFIX)] = {0};