Style.

Signed-off-by: Alex Zhang <zchao1995@gmail.com>

src/http/ngx_http.c

diff --git a/src/http/ngx_http.c b/src/http/ngx_http.c
index c036389..8d4fed5 100644
--- a/src/http/ngx_http.c
+++ b/src/http/ngx_http.c
@@ -548,7 +548,7 @@
 
         n += cmcf->phases[i].handlers.nelts;
 
-        for (j = cmcf->phases[i].handlers.nelts - 1; j >=0; j--) {
+        for (j = cmcf->phases[i].handlers.nelts - 1; j >= 0; j--) {
             ph->checker = checker;
             ph->handler = h[j];
             ph->next = n;