Dynamic modules: fixed a version mismatch message (ticket #898).

Based on a patch by Takashi Takizawa.

src/core/ngx_module.c

diff --git a/src/core/ngx_module.c b/src/core/ngx_module.c
index 1e947c9..f5ec86a 100644
--- a/src/core/ngx_module.c
+++ b/src/core/ngx_module.c
@@ -171,7 +171,7 @@
     if (module->version != nginx_version) {
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                            "module \"%V\" version %ui instead of %ui",
-                           file, module->version, nginx_version);
+                           file, module->version, (ngx_uint_t) nginx_version);
         return NGX_ERROR;
     }