Fixed syntax error at end of initial state facts.

Due to a mistake in commit 6d07fcb, the closing parenthesis and period
at the end of initial state facts was omitted. This adds these back in
order to solve this syntax error.

include/plasp/pddl/translation/Fact.h

@@ -59,6 +59,8 @@ inline void translateFact(colorlog::ColorStream &outputStream, const ::pddl::nor
 		};
 
 	fact.match(handleAtomicFormula, handleNot);
+
+	outputStream << ").";
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////