Don't let rpm complain about a missing /etc/magic.mgc file

--- build/rpmfc.c.orig	2011-05-13 16:33:20.000000000 +0000
+++ build/rpmfc.c	2011-05-13 16:33:55.000000000 +0000
@@ -896,7 +896,7 @@ rpmRC rpmfcClassify(rpmfc fc, ARGV_t arg
 {
     ARGV_t fcav = NULL;
     int xx;
-    int msflags = MAGIC_CHECK | MAGIC_COMPRESS | MAGIC_NO_CHECK_TOKENS;
+    int msflags = MAGIC_COMPRESS | MAGIC_NO_CHECK_TOKENS;
     magic_t ms = NULL;
     rpmRC rc = RPMRC_FAIL;