Fix cuda build after r14790


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@14794 bac0169d-1eea-4375-b5f6-f89d2ced9994
And the corresponding code change...


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@14795 bac0169d-1eea-4375-b5f6-f89d2ced9994
Partially revert r14745 adding a testcase that shows this is necessary. Might break buggy versions of the intel compiler.


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@14796 bac0169d-1eea-4375-b5f6-f89d2ced9994
Merge remote-tracking branch 'upstream/master'
Keyword AUX_EXCH_FUNC added and all following stuff