bmcsensors 2.9.0 compile fix

Hi,

there are two "sd->" structure deferences missing.

Thanks.

------------------------------------------------------------------------

Index: ./kernel/chips/bmcsensors.c
=================================> RCS file: /home/cvs/lm_sensors2/kernel/chips/bmcsensors.c,v retrieving revision 1.20
diff -u -d -r1.20 bmcsensors.c

kernel/chips/bmcsensors.c +1 -1

@@ -297,7 +297,7 @@
 	}
 
 	/* swap lim1/lim2 if m < 0 or function is 1/x (but not both!) */
-	if(m < 0 && sd->linear != 7 || m >= 0 && sd->linear = 7) {
+	if(sd->m < 0 && sd->linear != 7 || sd->m >= 0 && sd->linear = 7) {
 		tmp = sd->lim1;
 		sd->lim1 = sd->lim2;
 		sd->lim2 = tmp;