FmmAlgorithmTsm: fix maybe-uninitialized warning

Utils/noDist/FmmAlgorithmTsm.cpp

@@ -4,13 +4,13 @@
 // This software is a computer program whose purpose is to compute the FMM.
 //
 // This software is governed by the CeCILL-C and LGPL licenses and
-// abiding by the rules of distribution of free software.  
-// 
+// abiding by the rules of distribution of free software.
+//
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public and CeCILL-C Licenses for more details.
-// "http://www.cecill.info". 
+// "http://www.cecill.info".
 // "http://www.gnu.org/licenses".
 // ===================================================================================
 //
@@ -221,7 +221,7 @@ struct TempMainStruct{
             //
 			for(FSize idxPart = 0 ; idxPart < nbParticlesInLeaf ; ++idxPart){
 				double pot = 0.0 , xx,yy,zz;
-                FPoint<FReal>  FF ;
+                                FPoint<FReal>  FF{} ;
 				for(int idxSrc = 0 ; idxSrc < nbSRC ; ++idxSrc){
 					xx = posX[idxPart]-tabSrc[idxSrc].position.getX();
 					yy  = posY[idxPart]-tabSrc[idxSrc].position.getY();
@@ -254,5 +254,3 @@ int main(int argc, char** argv){
 	FRunIf::Run<unsigned int, 2, 13, 1, TempMainStruct>(order, argc, argv);
 	return 0;
 }
-
-