6893704: Potential memory leak in gtk2_interface.c

Reviewed-by: stayer

src/solaris/native/sun/awt/gtk2_interface.c

@@ -637,13 +637,13 @@ gboolean gtk2_load()
     if (gtk_modules_env && strstr (gtk_modules_env, "atk-bridge") ||
         gtk_modules_env && strstr (gtk_modules_env, "gail"))
     {
-        gchar *tmp_env = strdup (gtk_modules_env);
         /* the new env will be smaller than the old one */
         gchar *s, *new_env = malloc (sizeof(ENV_PREFIX)+strlen (gtk_modules_env));
 
         if (new_env != NULL )
         {
             /* careful, strtok modifies its args */
+            gchar *tmp_env = strdup (gtk_modules_env);
             strcpy(new_env, ENV_PREFIX);
 
             /* strip out 'atk-bridge' and 'gail' */