update stan repo with minor fixes

Author: SteveBronder

stan/math/opencl/prim/normal_lcdf.hpp

@@ -156,7 +156,9 @@ const char opencl_normal_lcdf_ldncdf_impl[] = STRINGIFY(
                - 0.0170137970924080 * normal_lcdf_deriv_scaled_diff
                - 0.0100428567412041;
       }
-    } else { normal_ldncdf = INFINITY; });
+    } else {
+      normal_ldncdf = INFINITY;
+    });
 }  // namespace internal
 
 /** \ingroup opencl

stan/math/opencl/prim/std_normal_lcdf.hpp

@@ -164,7 +164,9 @@ const char opencl_std_normal_lcdf_dnlcdf[] = STRINGIFY(
                - 0.0170137970924080 * std_normal_lcdf_deriv_scaled_y
                - 0.0100428567412041;
       }
-    } else { std_normal_lcdf_dnlcdf = INFINITY; });
+    } else {
+      std_normal_lcdf_dnlcdf = INFINITY;
+    });
 }  // namespace internal
 
 /** \ingroup opencl

stan/math/prim/meta/VectorBuilderHelper.hpp

@@ -43,8 +43,11 @@ class VectorBuilderHelper<T1, true, false> {
   T1 x_;
 
  public:
-  explicit VectorBuilderHelper(size_t /* n */) : x_(0) {}
-  T1& operator[](size_t /* i */) { return x_; }
+  explicit VectorBuilderHelper(size_t n) : x_(0) { static_cast<void>(n); }
+  T1& operator[](size_t i) {
+    static_cast<void>(i);
+    return x_;
+  }
 
   using type = T1;