Fix two cases where the ingredient input to a recipe would cause it to crash.  1) Hitting delete when there aren't any ingredients, and 2) Removing an ingredient in some cases where there are substitutes in the list.
Fix two cases where the ingredient input to a recipe would cause it to crash.  1) Hitting delete when there aren't any ingredients, and 2) Removing an ingredient in some cases where there are substitutes in the list.

svn path=/trunk/extragear/utils/krecipes/; revision=556325

eliovir/krecipes,eliovir/krecipes,eliovir/krecipes,eliovir/krecipes