forgot to rename the .cpp file

bk: 557cbfcdjwBoSLymWXLZNrwfT_YO5Q

diff --git a/tests/libntp/caljulian.cpp b/tests/libntp/g_caljulian.cpp
similarity index 100%
rename from tests/libntp/caljulian.cpp
rename to tests/libntp/g_caljulian.cpp