the old assert is actually needed, so put it back too

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2958 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -273,8 +273,6 @@ CVS code -
 	  that there's more room for other things, and to not display
 	  the status when we're in the file browser, since Pico doesn't.
 	  (DLR)
-  do_cursorpos()
-	- Remove unneeded assert. (DLR)
 - configure.ac:
 	- Since we only use vsnprintf() now, remove the tests for
 	  snprintf(). (DLR)

src/winio.c

@@ -3844,7 +3844,7 @@ void do_cursorpos(bool constant)
 
     /* Check whether totsize is correct.  If it isn't, there is a bug
      * somewhere. */
-    assert(i == openfile->totsize);
+    assert(openfile->current != openfile->filebot || i == totsize);
 
     if (constant && disable_cursorpos) {
 	disable_cursorpos = FALSE;