[PATCH] Fix build with -Wmissing-prototypes

[Piotr Sikora]

# HG changeset patch
# User Piotr Sikora <piotrsikora at google.com>
# Date 1458344288 25200
#      Fri Mar 18 16:38:08 2016 -0700
# Node ID 446abf3e009c5bdeee865161ad5813c07163c0e8
# Parent  c9d680b00744ea515369113585e5d5bfc4ce51de
Fix build with -Wmissing-prototypes.

Broken in 5eb4d7541107 (1.9.6), fix somehow missed in 3600bbfb43e3.

Signed-off-by: Piotr Sikora <piotrsikora at google.com>

diff -r c9d680b00744 -r 446abf3e009c src/core/nginx.c
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -10,7 +10,7 @@
 #include <nginx.h>
 
 
-static void ngx_show_version_info();
+static void ngx_show_version_info(void);
 static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
 static ngx_int_t ngx_get_options(int argc, char *const *argv);
 static ngx_int_t ngx_process_options(ngx_cycle_t *cycle);