Fixed compilation with -Wmissing-prototypes.

src/core/ngx_conf_file.c

diff --git a/src/core/ngx_conf_file.c b/src/core/ngx_conf_file.c
index 892fa47..01715af 100644
--- a/src/core/ngx_conf_file.c
+++ b/src/core/ngx_conf_file.c
@@ -1448,12 +1448,16 @@
 }
 
 
+#if 0
+
 char *
 ngx_conf_unsupported(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
 {
     return "unsupported on this platform";
 }
 
+#endif
+
 
 char *
 ngx_conf_deprecated(ngx_conf_t *cf, void *post, void *data)

src/core/ngx_crypt.c

diff --git a/src/core/ngx_crypt.c b/src/core/ngx_crypt.c
index 9564c36..365f9c8 100644
--- a/src/core/ngx_crypt.c
+++ b/src/core/ngx_crypt.c
@@ -6,6 +6,7 @@
 
 #include <ngx_config.h>
 #include <ngx_core.h>
+#include <ngx_crypt.h>
 #include <ngx_md5.h>
 #if (NGX_HAVE_SHA1)
 #include <ngx_sha1.h>