Fixed up the bug with the GD driver which stopped it working with recent versions of GD and no freetype. To do this, I stopped overloading the "-drvopt smooth" variable (which had to be set to "2" before to activate smoothed lines) and added a unique variable, "-drvopt smoothlines" to activate line anti aliasing.
Fixed up the bug with the GD driver which stopped it working with recent versions of GD and no freetype. To do this, I stopped overloading the "-drvopt smooth" variable (which had to be set to "2" before to activate smoothed lines) and added a unique variable, "-drvopt smoothlines" to activate line anti aliasing.

svn path=/trunk/; revision=7692

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