Increase RPMBUFSIZ to increase the possibility to find magic compression identifier
http://bugs.gentoo.org/187219#c13
--- rpmoffset.c+++ rpmoffset.c@@ -10,7 +10,7 @@/* chunk of RAM right away so that we have enough. Yeah, horrible */
/* quick and dirty implementation, but hey -- it gets the job done. */
-#define RPMBUFSIZ 2097152+#define RPMBUFSIZ 3145728main()
{