fix absolute include targets
there are some more of them
([arc::pullid] 61c4f889-51f38887-a779ef6d-54403088)
@@ -183,8 +183,8 @@ ieee0(Void)
/* code from Eric Grosse */
#include <stdlib.h>
#include <stdio.h>
-#include "/usr/include/sigfpe.h" /* full pathname for lcc -N */
-#include "/usr/include/sys/fpu.h"
+#error #include "/usr/include/sigfpe.h" /* full pathname for lcc -N */
+#error #include "/usr/include/sys/fpu.h"
static void
#ifdef KR_headers
