Fix compiler warning: out of bound access

acountry.c

@@ -612,9 +612,14 @@ static void find_country_from_cname(const char *cname, struct in_addr addr)
     printf("Name for country-number %d not found.\n", cnumber);
   else
     {
-      if (ver_1 && *(unsigned short*)&country->short_name != *(unsigned*)&ccode_A2)
-        printf("short-name mismatch; %s vs %s\n", country->short_name, ccode_A2);
-
+      if (ver_1)
+        {
+          if ((country->short_name[0] != ccode_A2[0]) ||
+              (country->short_name[1] != ccode_A2[1]) ||
+              (country->short_name[2] != ccode_A2[2]))
+            printf("short-name mismatch; %s vs %s\n",
+                   country->short_name, ccode_A2);
+        }
       printf("%s (%s), number %d.\n",
              country->long_name, country->short_name, cnumber);
     }

adig.c

@@ -219,9 +219,10 @@ int main(int argc, char **argv)
               if (strcmp(flags[i].name, optarg) == 0)
                 break;
             }
-          if (i == nflags)
-            usage();
+          if (i < nflags)
             options.flags |= flags[i].value;
+          else
+            usage();
           break;
 
         case 's':
@@ -256,9 +257,10 @@ int main(int argc, char **argv)
               if (strcasecmp(classes[i].name, optarg) == 0)
                 break;
             }
-          if (i == nclasses)
-            usage();
+          if (i < nclasses)
             dnsclass = classes[i].value;
+          else
+            usage();
           break;
 
         case 't':
@@ -268,9 +270,10 @@ int main(int argc, char **argv)
               if (strcasecmp(types[i].name, optarg) == 0)
                 break;
             }
-          if (i == ntypes)
-            usage();
+          if (i < ntypes)
             type = types[i].value;
+          else
+            usage();
           break;
 
         case 'T':