Three minor code improvements. Remove a redundant test in com_measure2.c.

In vectors.c, always initialise a newly-created plot exactly once.
Improve an error message in spiceif.c.

src/frontend/com_measure2.c

@@ -1107,7 +1107,7 @@ measure_rms_integral(
             i += 2;
         }
         // Trapezoidal Rule
-        else if (!AlmostEqualUlps(width[i], width[i+1], 100)) {
+        else {
             sum3 += width[i] * (y[i] + y[i+1]) / 2;
             i++;
         }

src/frontend/spiceif.c

@@ -1360,8 +1360,11 @@ if_getstat(CKTcircuit *ckt, char *name)
                                           if_parm->id, &parm,
                                           NULL) == -1)
             {
-                fprintf(cp_err, "if_getstat: Internal Error: can't get a name\n");
-                return (NULL);
+                fprintf(cp_err,
+                        "if_getstat: Internal Error: can't get a name for "
+                        "analysis parameter %d\n",
+                        if_parm->id);
+                continue;
             }
 
             *v = parmtovar(&parm, if_parm, 1);

src/frontend/vectors.c

@@ -284,6 +284,7 @@ static struct dvec* findvec_alle(void) {
     pl->pl_title = copy("DigitalData");
     pl->pl_name = copy("digital");
     pl->pl_date = copy(datestring());
+    pl->pl_typename = copy("dig1");
     plot_new(pl);
 
     /* find all event data, create vectors, link them to v_link2 */
@@ -296,7 +297,6 @@ static struct dvec* findvec_alle(void) {
         if (d->v_length == 1)
             continue;
         d->v_plot = pl;
-        d->v_plot->pl_typename = copy("dig1");
         if (d->v_link2) {
             v = vec_copy(d);
             vec_new(v);