Revert "Fixed compiler warnings."

This reverts commit 3ff8b559.

src/main/java/org/orekit/rugged/api/Rugged.java

@@ -489,7 +489,7 @@ public class Rugged {
             return result;
         } catch (RuggedException re) {
             DumpManager.dumpException(re);
-            throw re;
+            throw(re);
         }
 
     }

src/main/java/org/orekit/rugged/linesensor/SensorMeanPlaneCrossing.java

@@ -524,7 +524,7 @@ public class SensorMeanPlaneCrossing {
             }
 
             final UnivariateSolver solver = new BracketingNthOrderBrentSolver(accuracy, 5);
-            final double crossingLine = solver.solve(maxEval, f, minLine, maxLine, startValue);
+            double crossingLine = solver.solve(maxEval, f, minLine, maxLine, startValue);
 
             final AbsoluteDate date = sensor.getDate(crossingLine);
             final FieldVector3D<DerivativeStructure> targetDirection =