math_opt format fixup

ortools/math_opt/constraints/quadratic/quadratic_constraint.h

@@ -77,6 +77,7 @@ class QuadraticConstraint {
   // Returns a detailed string description of the contents of the constraint
   // (not its name, use `<<` for that instead).
   inline std::string ToString() const;
+
   friend inline bool operator==(const QuadraticConstraint& lhs,
                                 const QuadraticConstraint& rhs);
   friend inline bool operator!=(const QuadraticConstraint& lhs,

ortools/math_opt/core/BUILD.bazel

@@ -187,6 +187,7 @@ cc_library(
         "@com_google_absl//absl/types:span",
     ],
 )
+
 cc_library(
     name = "invalid_indicators",
     srcs = ["invalid_indicators.cc"],