nginx 0.7.48 *) Feature: the "proxy_cache_key" directive. *) Bugfix: now nginx takes into account the "X-Accel-Expires", "Expires", and "Cache-Control" header lines in a backend response. *) Bugfix: now nginx caches responses for the GET requests only. *) Bugfix: the "fastcgi_cache_key" directive was not inherited. *) Bugfix: the $arg_... variables did not work with SSI subrequests. Thanks to Maxim Dounin. *) Bugfix: nginx could not be built with uclibc library. Thanks to Timothy Redaelli. *) Bugfix: nginx could not be built on OpenBSD; the bug had appeared in 0.7.46.

--- a/src/os/unix/ngx_posix_config.h
+++ b/src/os/unix/ngx_posix_config.h
@@ -44,6 +44,9 @@
 #include <grp.h>
 #include <dirent.h>
 #include <glob.h>
+#if (NGX_HAVE_SYS_PARAM_H)
+#include <sys/param.h>          /* statfs() */
+#endif
 #if (NGX_HAVE_SYS_MOUNT_H)
 #include <sys/mount.h>          /* statfs() */
 #endif