Throw exceptions by value instead of reference

apps/openmw/mwgui/widgets.cpp

@@ -41,7 +41,7 @@ namespace MWGui
             else if (skill < ESM::Skill::Length)
                 setSkillId(static_cast<ESM::Skill::SkillEnum>(skill));
             else
-                throw new std::runtime_error("Skill number out of range");
+                throw std::runtime_error("Skill number out of range");
         }
 
         void MWSkill::setSkillValue(const SkillValue& value)

components/sdlutil/sdlinputwrapper.cpp

@@ -368,7 +368,7 @@ InputWrapper::InputWrapper(SDL_Window* window, osg::ref_ptr<osgViewer::Viewer> v
         }
         else
         {
-            throw new std::runtime_error("Tried to package non-motion event!");
+            throw std::runtime_error("Tried to package non-motion event!");
         }
 
         return pack_evt;