fix chglog

Author: ClementPernet

ChangeLog

@@ -5,7 +5,8 @@
 	* more examples for rational solutions
 	* cleanup of BlasMatrixDomain with minor API changes
 	* update wrt Givaro's new randiter API
-	* many bug fixes2019-06-07 v1.6.3
+	* many bug fixes
+2019-06-07 v1.6.3
 	Minor update:
 	* fix test-suite failures when compiling in builddir!=srcdir
 	* improve jenkins builder script