Zero alt if unknown. COrrects problem in Topo 3.0 that isn't seen in 4.20d
authorrobertl <robertl@f51c46e8-681c-474f-0cfe-069cfd0219fb>
Sun, 8 Feb 2004 03:38:50 +0000 (03:38 +0000)
committerrobertl <robertl@f51c46e8-681c-474f-0cfe-069cfd0219fb>
Sun, 8 Feb 2004 03:38:50 +0000 (03:38 +0000)
commit6eccfcd20592c2aec693eaf2688d7885289ecdd4
tree48a7fc23a8d07625ce2551486a51cf1adc39eb94
parenta5d13aa81cd1479513726b8748947ef746e787c9
Zero alt if unknown.  COrrects problem in Topo 3.0 that isn't seen in 4.20d
or DR.

git-svn-id: http://gpsbabel.googlecode.com/svn/trunk@698 f51c46e8-681c-474f-0cfe-069cfd0219fb
gpsbabel/mapsend.c