fix mman.h ref
@@ -23,7 +23,12 @@ terms of the MIT license. A copy of the license can be found in the file
#include <sys/mman.h> // mmap
#include <unistd.h> // sysconf
#if defined(__linux__)
+#include <features.h>
+#if defined(__GLIBC__)
#include <linux/mman.h> // linux mmap flags
+#else
+#include <sys/mman.h>
+#endif
#endif
#if defined(__APPLE__)
#include <mach/vm_statistics.h>
