set up more state

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@1561 57a11ea4-9604-0410-9ed3-97b8803252fd

src/engine/FileIO.c

@@ -370,6 +370,9 @@ xaccReadAccountGroup( int fd )
 
   maingrp = NULL;
 
+  /* set up various state that is not normally stored in the byte stream */
+  xaccGroupRecomputeBalance (grp);
+
   xaccLogEnable();
   return grp;
 }