style fix: remove trailing spaces introduced in the previous commit

src/core/ngx_log.c

diff --git a/src/core/ngx_log.c b/src/core/ngx_log.c
index 8d5e8b2..dabc8e4 100644
--- a/src/core/ngx_log.c
+++ b/src/core/ngx_log.c
@@ -58,8 +58,8 @@
     ngx_string("crit"),
     ngx_string("error"),
     ngx_string("warn"),
-    ngx_string("notice"), 
-    ngx_string("info"), 
+    ngx_string("notice"),
+    ngx_string("info"),
     ngx_string("debug")
 };