Fix wrong-way comparison that was causing buffer overflow crash in tile-join (#14)

* Fix wrong-way comparison that was causing buffer overflow in tile-join

* Update changelog

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.6.3
+
+* Fix crash in tile-join caused by wrong-way comparison
+
 ## 2.6.2
 
 * Stop adding features to a tile if it can't possibly work, to limit memory use

tile-join.cpp

@@ -601,7 +601,7 @@ void handle_strategies(const unsigned char *s, std::vector<strategy> *st) {
 					} else if (v->type != JSON_NUMBER) {
 						fprintf(stderr, "Value %zu of %zu is not a number: %s\n", j, i, s);
 					} else {
-						if (i <= st->size()) {
+						if (i >= st->size()) {
 							st->resize(i + 1);
 						}
 

version.hpp

@@ -1,6 +1,6 @@
 #ifndef VERSION_HPP
 #define VERSION_HPP
 
-#define VERSION "v2.6.2"
+#define VERSION "v2.6.3"
 
 #endif