dselect: Remove shadowing variable definitions from pkgtop

The variables i and p are always initialized before each different loop
use, and they are actually used for the same purpose, just in different
places in the code.

dselect/pkgtop.cc

@@ -187,8 +187,6 @@ void packagelist::redraw1itemsel(int index, int selected) {
       wmove(listpad, screenline, priority_column - 1);
       waddch(listpad, ' ');
       if (pkg->priority == pkginfo::pri_other) {
-        int i;
-        const char *p;
         for (i=priority_width, p=pkg->otherpriority;
              i > 0 && *p;
              i--, p++)