update include guards

ortools/algorithms/binary_search.h

@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef OR_TOOLS_ALGORITHMS_BINARY_SEARCH_H_
-#define OR_TOOLS_ALGORITHMS_BINARY_SEARCH_H_
+#ifndef ORTOOLS_ALGORITHMS_BINARY_SEARCH_H_
+#define ORTOOLS_ALGORITHMS_BINARY_SEARCH_H_
 
 #include <cmath>
 #include <cstdint>
@@ -344,4 +344,4 @@ std::pair<Point, Value> ConvexMinimum(bool is_to_the_right,
 }
 }  // namespace operations_research
 
-#endif  // OR_TOOLS_ALGORITHMS_BINARY_SEARCH_H_
+#endif  // ORTOOLS_ALGORITHMS_BINARY_SEARCH_H_