GSM_SystemInformation: Fix trailing whitespace

Change-Id: Ie910d376c472f23bde7c357baca004a25053f5ce
diff --git a/library/GSM_SystemInformation.ttcn b/library/GSM_SystemInformation.ttcn
index 0356e7d..86ff817 100644
--- a/library/GSM_SystemInformation.ttcn
+++ b/library/GSM_SystemInformation.ttcn
@@ -160,7 +160,7 @@
 		rach_control := ?,
 		rest_octets := ?
 	};
-		
+
 
 	/* 44.018 9.1.36 */
 	type record SystemInformationType4 {