add whitespace ending

Author: spinkney

test/unit/math/prim/prob/gamma_lccdf_test.cpp

@@ -242,4 +242,4 @@ TEST(ProbGamma, lccdf_negative_y_throws) {
   // y must be non-negative
   EXPECT_THROW(gamma_lccdf(-1.0, 1.0, 1.0), std::domain_error);
   EXPECT_THROW(gamma_lccdf(-0.001, 1.0, 1.0), std::domain_error);
-}
+}

test/unit/math/rev/prob/gamma_lccdf_test.cpp

@@ -379,4 +379,4 @@ TEST(ProbDistributionsGamma, lccdf_numerically_challenging_derivatives) {
           << ", beta=" << beta_d;
     }
   }
-}
+}

test/unit/math/rev/prob/gamma_lcdf_test.cpp

@@ -437,4 +437,4 @@ TEST(ProbDistributionsGamma, lcdf_monotonic_derivative) {
 
     EXPECT_GT(grads[0], 0.0) << "d/dy should be positive for y=" << y_d;
   }
-}
+}