wordexp.c, sysconf.c: include ctype.h for isspace

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libc/misc/wordexp/wordexp.c

@@ -21,6 +21,7 @@
 
 #include <features.h>
 #include <bits/kernel-features.h>
+#include <ctype.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <fcntl.h>

libc/unistd/sysconf.c

@@ -19,6 +19,7 @@
 
 #define _XOPEN_SOURCE  500
 #include <features.h>
+#include <ctype.h>
 #include <errno.h>
 #include <limits.h>
 #include <grp.h>