fix building by bcc introduced by r1831

src/core/ngx_inet.c

diff --git a/src/core/ngx_inet.c b/src/core/ngx_inet.c
index ca6c5f6..f54a057 100644
--- a/src/core/ngx_inet.c
+++ b/src/core/ngx_inet.c
@@ -212,7 +212,7 @@
 
     c2 = c % 10;
 
-    *text++ = (u_char) (c2 + '0');
+    *text = (u_char) (c2 + '0');
     n++;
 
     return n;