style fix: remove trailing spaces

src/http/ngx_http_core_module.c

diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index 13bb933..a1e8cf9 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -1610,7 +1610,7 @@
 
     if (clcf->gzip_disable && r->headers_in.user_agent) {
 
-        if (ngx_regex_exec_array(clcf->gzip_disable, 
+        if (ngx_regex_exec_array(clcf->gzip_disable,
                                  &r->headers_in.user_agent->value,
                                  r->connection->log)
             != NGX_DECLINED)