style fix

src/core/ngx_hash.c

diff --git a/src/core/ngx_hash.c b/src/core/ngx_hash.c
index 2eadbf3..2a5b0ad 100644
--- a/src/core/ngx_hash.c
+++ b/src/core/ngx_hash.c
@@ -534,7 +534,7 @@
 
             next_name->key.len = names[n].key.len - len;
             next_name->key.data = names[n].key.data + len;
-            next_name->key_hash= 0;
+            next_name->key_hash = 0;
             next_name->value = names[n].value;
 
 #if 0
@@ -562,7 +562,7 @@
 
             next_name->key.len = names[i].key.len - dot_len;
             next_name->key.data = names[i].key.data + dot_len;
-            next_name->key_hash= 0;
+            next_name->key_hash = 0;
             next_name->value = names[i].value;
 
 #if 0