Fix warnings about Undefined variable

diff --git a/bomgen/bomgen.php b/bomgen/bomgen.php
index 6ff6322..5479ba4 100755 (executable)
--- a/bomgen/bomgen.php
+++ b/bomgen/bomgen.php
@@ -27,6 +27,7 @@ $kits = 1;
 $use_inventory = false;
 $comp_total = 0;
 $titre = "BOM";
+$bom_type = "";
 
 /*
  * Clé    = Nom de la colonne.