add another fix for #27 'parser doesn't handle truncated input files'

com.minres.scviewer.database.text/src/com/minres/scviewer/database/text/TextDbLoader.groovy

@@ -88,6 +88,8 @@ public class TextDbLoader implements IWaveformDbLoader{
 			}
 		} catch (IndexOutOfBoundsException e) {
 			return false
+		} catch (IllegalArgumentException e) {
+			return false
 		} catch (NumberFormatException e) {
 			return false
 		} catch(EOFException e) {