Merge pull request #5359 from martin-frbg/gitign_isnan

update gitignore configuration

Author: martin-frbg

.gitignore

@@ -13,8 +13,8 @@ lapack-3.4.1.tgz
 lapack-3.4.2
 lapack-3.4.2.tgz
 lapack-netlib/make.inc
-lapack-netlib/lapacke/include/lapacke_mangling.h
 lapack-netlib/SRC/la_constants.mod
+lapack-netlib/SRC/la_xisnan.mod
 lapack-netlib/TESTING/testing_results.txt
 lapack-netlib/INSTALL/test*
 lapack-netlib/TESTING/xeigtstc