fix hands counting

stepmania/src/NoteData.cpp

@@ -491,13 +491,12 @@ bool NoteData::RowNeedsAtLeastSimultaneousPresses( int iMinSimultaneousPresses,
 		{
 		case TapNote::mine:
 		case TapNote::empty:
-		case TapNote::hold_head: // handled below
 			continue;	// skip these types - they don't count
 		}
 		++iNumNotesThisIndex;
 	}
 
-	/* We must have at least one non-hold-body at this row to count it. */
+	/* We must have at least one tap or hold head at this row to count it. */
 	if( !iNumNotesThisIndex )
 		return false;
 

stepmania/src/NoteData.h

@@ -140,7 +140,7 @@ public:
 
 	// This row needs at least iMinSimultaneousPresses either tapped or held.
 	bool RowNeedsAtLeastSimultaneousPresses( int iMinSimultaneousPresses, int row ) const;
-	bool RowNeedsHands( int row ) const { return RowNeedsAtLeastSimultaneousPresses(2,row); }
+	bool RowNeedsHands( int row ) const { return RowNeedsAtLeastSimultaneousPresses(3,row); }
 
 	// Count rows that need iMinSimultaneousPresses either tapped or held.
 	int GetNumRowsWithSimultaneousPresses( int iMinSimultaneousPresses, int iStartIndex = 0, int iEndIndex = MAX_NOTE_ROW ) const;