fix a memory leak

Author: withinboredom

Zend/zend_namespaces.c

@@ -31,7 +31,7 @@ zend_class_entry *create_namespace(zend_string *name) {
    return ns;
 }
 
-static zend_class_entry *insert_namespace(zend_string *name, zend_string *lc_name) {
+static zend_class_entry *insert_namespace(const zend_string *name, zend_string *lc_name) {
    zend_class_entry *parent_ns = EG(global_namespace);
    zend_class_entry *ns = parent_ns;
    const char *start = ZSTR_VAL(name);
@@ -47,10 +47,12 @@ static zend_class_entry *insert_namespace(zend_string *name, zend_string *lc_nam
          ns = zend_hash_find_ptr(EG(namespaces), needle);
 
          if (!ns) {
-            zend_string *interned_name = zend_string_init(ZSTR_VAL(name), len, 1);
+            zend_string *full_name = zend_string_init(ZSTR_VAL(name), len, 0);
+            zend_string *interned_name = zend_new_interned_string(full_name);
             ns = create_namespace(interned_name);
             ns->lexical_scope = parent_ns;
             zend_hash_add_ptr(EG(namespaces), lc_name, ns);
+            zend_string_release(full_name);
          }
          zend_string_release(needle);