Update group.h

2020-06-26 23:15:54 -06:00
parent ac05bb7786
commit 5be366bfae
1 changed files with 1 additions and 0 deletions
--- a/src/group.h
+++ b/src/group.h
@ -16,6 +16,7 @@

 #include "pointers.h"
 #include <map>
+#include <string>

 namespace LAMMPS_NS {