Fix implicit declarations of library functions due to missing include string.h.

modified:   ../src/gcarray.c
	modified:   ../src/initkbd.c
	modified:   ../src/uraid.c
	modified:   ../src/uutils.c

src/initkbd.c

@@ -18,6 +18,9 @@ static char *id = "$Id: initkbd.c,v 1.2 1999/01/03 02:07:09 sybalsky Exp $ Copyr
 
 #include <stdio.h>
 #include <sys/types.h>
+#if defined(MACOSX) || defined(FREEBSD)
+#include <string.h>
+#endif
 #ifndef DOS
 #include <sys/file.h>
 #endif /* DOS */