Make loopgroup loop correct number of times

apps/openmw/mwscript/animationextensions.cpp

@@ -89,7 +89,7 @@ namespace MWScript
                             throw std::runtime_error ("animation mode out of range");
                     }
 
-                    MWBase::Environment::get().getMechanicsManager()->playAnimationGroup (ptr, group, mode, loops, true);
+                    MWBase::Environment::get().getMechanicsManager()->playAnimationGroup (ptr, group, mode, loops + 1, true);
                }
         };