Index: libcfa/src/parseconfig.cfa
===================================================================
--- libcfa/src/parseconfig.cfa	(revision c2016b6e0674236d6f94622a65b8421c6592a359)
+++ libcfa/src/parseconfig.cfa	(revision 3c124da35812080950d87d93f7fda664f7408539)
@@ -47,4 +47,5 @@
 			in | value;
 			if ( value < 0 ) {
+				close( in );
 				exit | "Error: file \"" | configFile | "\" parameter " | name
 					 | " value " | value | " must be non-negative."; // *** DOES THIS PRINT TO STDERR??? IT MUST!!! *** //