Corrected another error in which, for device sorting, "M" was set

to 1 before the loop over devices in "run", resulting in "M"
taking the value of the previous property record if the following
record did not have an "M" value, instead of setting it to 1.

base/netcmp.c

@@ -4467,9 +4467,9 @@ void parallel_sort(struct objlist *ob1, struct nlist *tp1, int idx1, int run)
    proplist = (propsort *)MALLOC(run * sizeof(propsort));
 
    obp = obn;
-   mval = 1;
    pval = aval = oval = 0.0;
    for (i = 0; i < run; i++) {
+      mval = 1;
       has_crit = FALSE;
       merge_type = MERGE_NONE;
       ca = co = (char)0;