for toupper and such

--- a/nss.c
+++ b/nss.c
@@ -34,6 +34,7 @@
  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <ctype.h>
 #include <sys/types.h>
 #include <errno.h>
 #include <unistd.h>
--- a/libnfsidmap.c
+++ b/libnfsidmap.c
@@ -37,6 +37,7 @@
  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <ctype.h>
 #include <sys/types.h>
 #include <errno.h>
 #include <unistd.h>