cmake: remove duplicate check for fsync
@@ -1394,7 +1394,6 @@ CHECK_FUNCTION_EXISTS(mkstemp HAVE_MKSTEMP)
CHECK_FUNCTION_EXISTS(mktemp HAVE_MKTEMP)
CHECK_FUNCTION_EXISTS(random HAVE_RANDOM)
CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
-CHECK_FUNCTION_EXISTS(fsync HAVE_FSYNC)
CHECK_FUNCTION_EXISTS(MPI_Comm_f2c HAVE_MPI_COMM_F2C)
CHECK_FUNCTION_EXISTS(MPI_Info_f2c HAVE_MPI_INFO_F2C)
CHECK_FUNCTION_EXISTS(memmove HAVE_MEMMOVE)
