Mod/Robot: fix some spaces and a couple of warnings

Warnings wsa:
src/Mod/Robot/App/kdl_cp/chaindynparam.cpp|105 col 5| warning: control may reach end of non-void function [-Wreturn-type]
src/Mod/Robot/App/kdl_cp/chainidsolver_recursive_newton_euler.cpp|82 col 5| warning: control may reach end of non-void function [-Wreturn-type]

src/Mod/Robot/App/kdl_cp/chaindynparam.cpp

@@ -101,7 +101,8 @@ namespace KDL {
               k--; //this if-loop should be repeated nj times (k=nj-1 to k=0)
           }
 
-	}
+        } // for
+        return 0;
     }
 
     //calculate coriolis matrix C

src/Mod/Robot/App/kdl_cp/chainidsolver_recursive_newton_euler.cpp

@@ -79,5 +79,6 @@ namespace KDL{
             if(i!=0)
                 f[i-1]=f[i-1]+X[i]*f[i];
         }
+        return 0;
     }
 }//namespace