Also free() when loading fails

kitty/graphics.c

@@ -329,6 +329,7 @@ png_path_to_bitmap(const char* path, uint8_t** data, unsigned int* width, unsign
     inflate_png_inner(&d, buf, pos);
     free(buf);
     if (!d.ok) {
+        free(d.decompressed); free(d.row_pointers);
         log_error("Failed to decode PNG image at: %s", path);
         return false;
     }