style fix: remove trailing spaces

src/http/modules/ngx_http_flv_module.c

diff --git a/src/http/modules/ngx_http_flv_module.c b/src/http/modules/ngx_http_flv_module.c
index 52e456b..2b2b932 100644
--- a/src/http/modules/ngx_http_flv_module.c
+++ b/src/http/modules/ngx_http_flv_module.c
@@ -216,7 +216,7 @@
         out[0].next = &out[1];
 
     } else {
-        r->allow_ranges = 1; 
+        r->allow_ranges = 1;
     }
 
 

src/http/modules/ngx_http_ssi_filter_module.c

diff --git a/src/http/modules/ngx_http_ssi_filter_module.c b/src/http/modules/ngx_http_ssi_filter_module.c
index d61b125..dc02498 100644
--- a/src/http/modules/ngx_http_ssi_filter_module.c
+++ b/src/http/modules/ngx_http_ssi_filter_module.c
@@ -1554,7 +1554,7 @@
             if (part->next == NULL) {
                 break;
             }
-  
+
             part = part->next;
             var = part->elts;
             i = 0;

src/http/ngx_http_upstream.c

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index dc70091..b86f701 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -1167,7 +1167,7 @@
 
             if (hh && hh->redirect) {
                 if (hh->copy_handler(r, &h[i], hh->conf) != NGX_OK) {
-                    ngx_http_finalize_request(r, 
+                    ngx_http_finalize_request(r,
                                               NGX_HTTP_INTERNAL_SERVER_ERROR);
                     return;
                 }