fix typo

stepmania/Themes/default/metrics.ini

@@ -3312,7 +3312,7 @@ StepsTypeColor4=1.0,1,1.0,1
 StepsTypeColor5=1.0,1,1.0,1
 SongScoreRowsToDraw=6
 SongScoreSecondsPerRow=0.4
-ManualScroling=false
+ManualScrolling=false
 ShowSurvivalTime=false
 
 BannerX=SCREEN_CENTER_X+197

stepmania/src/ScreenRanking.cpp

@@ -109,7 +109,7 @@ void ScreenRanking::Init()
 	SECONDS_PER_PAGE.Load             ( m_sName,"SecondsPerPage" );
 	PAGE_FADE_SECONDS.Load            ( m_sName,"PageFadeSeconds" );
 	NO_SCORE_NAME.Load                ( m_sName,"NoScoreName" );
-	MANUAL_SCROLLING.Load             ( m_sName, "ManualScroling" );
+	MANUAL_SCROLLING.Load             ( m_sName, "ManualScrolling" );
 
 	ScreenAttract::Init();