Fix replaying animation bug in StoatSpriteEngine

Fix a bug where animations would replay after calling
StoatSpriteEngine.MultiSprite_EndAllMove (e.g. the start of battle
animation in Rance 02 replaying after every attack).

src/hll/StoatSpriteEngine.c

@@ -694,6 +694,7 @@ static void StoatSpriteEngine_MultiSprite_EndAllMove(void)
 			struct multisprite *ms = sp_types[i].sprites[j];
 			if (ms && ms->moving) {
 				ms->pos = ms->move.end;
+				ms->moving = false;
 			}
 		}
 	}