user: edit.c make sure our vlc (vertical line count) is at least 1 even if there is an oversized font in the edit control

[Aric Stewart]

includes tests.
fix for Lotus Approach
---
  dlls/user32/edit.c       |    9 ++++++++
  dlls/user32/tests/edit.c |   48 
++++++++++++++++++++++++++++++++++++++++++++++
  2 files changed, 57 insertions(+), 0 deletions(-)


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