Lowranceusr4: don't try to compute date on invalid input.
authorrobertlipe@gmail.com <robertlipe@gmail.com@f51c46e8-681c-474f-0cfe-069cfd0219fb>
Sat, 8 Dec 2012 07:52:13 +0000 (07:52 +0000)
committerrobertlipe@gmail.com <robertlipe@gmail.com@f51c46e8-681c-474f-0cfe-069cfd0219fb>
Sat, 8 Dec 2012 07:52:13 +0000 (07:52 +0000)
commitd9171044793e71fd82f5b3e6a47ebc3ee19a702c
treea72d0841ad162a6d7b21c2ff990cef068dc19130
parenta18d455cf1bdc00a3a70bf8e81ca14743c06ca84
Lowranceusr4: don't try to compute date on invalid input.

git-svn-id: http://gpsbabel.googlecode.com/svn/trunk@4213 f51c46e8-681c-474f-0cfe-069cfd0219fb
gpsbabel/lowranceusr4.c