Implemented walker overlay that calculates decompressed size.

NavmeshList/main.c

@@ -23,7 +23,8 @@ int main(void) {
 	size_t read = fread(buffer, sizeof(char), size, fp);
 	assert(read == size);
 
-	espr_print(buffer, size);
+	size_t decompressed = espr_decompressed_size(buffer, size);
+	printf("%llu -> %llu\n", size, decompressed);
 
 	return 0;
 }