TempDir() function is declared twice, once in `internal/gtest-port.h` and a second time in `gtest.h`. Fixes a warning with GCC when -Wredundant-decls is given.
TempDir() function is declared twice, once in `internal/gtest-port.h` and a second time in `gtest.h`. Fixes a warning with GCC when -Wredundant-decls is given.