test EXDEV after path creation

src/core/ngx_file.c

diff --git a/src/core/ngx_file.c b/src/core/ngx_file.c
index 7adee6d..3a48960 100644
--- a/src/core/ngx_file.c
+++ b/src/core/ngx_file.c
@@ -576,7 +576,6 @@
         }
 
         err = ngx_errno;
-        goto failed;
     }
 
 #if (NGX_WIN32)