update Rd files

Author: LittleBeannie

man/gs_power_ahr.Rd

@@ -137,4 +137,4 @@ test_that("Use default lower, lpar and test_lower", {
   # return an error message asking for total spend for the futility test
   expect_error(gs_power_ahr(analysis_time = c(24, 36),
                             event = c(50, 100)))
-})
+})