Make %tx work as intended, so that it ignores the true case for non-RDS targets.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27531 a1c6a512-1295-4272-9138-f99709370657

apps/gui/skin_engine/skin_parser.c

@@ -1785,7 +1785,12 @@ static int check_feature_tag(const char *wps_bufptr, const int type)
             if (radio_hardware_present())
                 return 0;
 #endif
+        case WPS_TOKEN_HAVE_RDS:
+#ifdef HAVE_RDS_CAP
+            return 0;
+#else
             return find_false_branch(wps_bufptr);
+#endif
 
         default: /* not a tag we care about, just don't skip */
             return 0;