Fix clang-tidy build with libstdc++ >= 7
authorRoland Schulz <roland.schulz@intel.com>
Tue, 28 Aug 2018 02:23:09 +0000 (19:23 -0700)
committerMark Abraham <mark.j.abraham@gmail.com>
Wed, 29 Aug 2018 05:43:07 +0000 (07:43 +0200)
commitef0459aafdb3ff10484b5086db20d5df0d9fd806
treed6543b56691810f49cbd230fe3fdf21c498fe242
parentc2c50806a34526ef13254f22fe9c3b216f876bbd
Fix clang-tidy build with libstdc++ >= 7

Fixes #2627

Change-Id: I236ab812f98c4921b21b03c6825707595d0385c3
src/gromacs/utility/keyvaluetree.h