Make the C library file C10SDF compile.

R needs the setfdir() function.

src/clib/c10sfd.c

@@ -5,6 +5,8 @@
 
 **********************************************************************/
 
+#include "clib.h"
+
 char *setfdir (buf, name, dir)
 	char *buf, *name, *dir;
 

src/clib/clib.h

@@ -9,7 +9,7 @@ typedef struct {                    /* ITS filespec in sixbit */
                    fn1,                /* First filename */
                    fn2,                /* Second filename */
                    dir;                /* Directory */
-        } FILESPEC;
+        } filespec;
 
 #define TRUE       1
 #define FALSE      0