Patchs from Jeff Garzik <jgarzik@mandrakesoft.com> to cleanup

warnings with glibc 2.2 and use always use xfopen
 -Erik

lsmod.c

@@ -27,6 +27,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <stddef.h>
 #include <errno.h>
 #include <unistd.h>