* include/sys/param.h: Add ENDIAN defines.

* test_headers.c: Include sys/param.h.

winsup/mingw/test_headers.c

@@ -41,6 +41,7 @@
 #include <sys/fcntl.h>
 #include <sys/file.h>
 #include <sys/locking.h>
+#include <sys/param.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/timeb.h>
@@ -48,6 +49,5 @@
 #include <sys/unistd.h>
 #include <sys/utime.h>
 
-
 int main()
 {return 0;}