[EOSIO/eos] build target error (#5332)

/Applications/CLion.app/Contents/bin/cmake/bin/cmake —build /Users/tg/Downloads/eos/cmake-build-debug —target hello.tmp — -j 8
Building CXX object contracts/hello/CMakeFiles/hello.tmp.dir/hello.cpp.o
In file included from /Users/tg/Downloads/eos/contracts/hello/hello.cpp:2:
In file included from /Users/tg/Downloads/eos/contracts/eosiolib/eosio.hpp:6:
In file included from /Users/tg/Downloads/eos/contracts/eosiolib/types.hpp:6:
/Users/tg/Downloads/eos/contracts/eosiolib/types.h:44:18: error: redefinition of ‘time’ as different kind of symbol
typedef uint32_t time;
^
/usr/include/time.h:117:8: note: previous definition is here
time_t time(time_t *);