Add missed EOL when die() was converted to use rtld_fdputstr() instead

of errx().

Reported by:	amdmi3
PR:	bin/165075
MFC after:	3 days

libexec/rtld-elf/rtld.c

@@ -757,6 +757,7 @@ die(void)
     if (msg == NULL)
 	msg = "Fatal error";
     rtld_fdputstr(STDERR_FILENO, msg);
+    rtld_fdputchar(STDERR_FILENO, '\n');
     _exit(1);
 }