add hack to not play connect/disconnect sounds after resetting USB

stepmania/src/MemoryCardManager.cpp

@@ -35,6 +35,8 @@ MemoryCardManager::MemoryCardManager()
 	}
 	m_pDriver->GetStorageDevices( m_vStorageDevices );
 
+	m_bDontPlaySoundsOnce = false;
+
 	m_soundReady.Load( THEME->GetPathToS("MemoryCardManager ready") );
 	m_soundError.Load( THEME->GetPathToS("MemoryCardManager error") );
 	m_soundTooLate.Load( THEME->GetPathToS("MemoryCardManager too late") );
@@ -248,6 +250,8 @@ match:
 				}
 			}
 
+			if( !m_bDontPlaySoundsOnce )
+			{
 				// play sound
 				if( m_bWriteError[p] )
 					m_soundError.Play();
@@ -259,6 +263,9 @@ match:
 		}
 	}
 
+	m_bDontPlaySoundsOnce = false;
+}
+
 void MemoryCardManager::FlushAndReset()
 {
 	FOREACH_PlayerNumber( p )
@@ -271,6 +278,8 @@ void MemoryCardManager::FlushAndReset()
 	}
 
 	m_pDriver->ResetUsbStorage();	// forces cards to be re-detected
+
+	m_bDontPlaySoundsOnce = true;
 }
 
 bool MemoryCardManager::PathIsMemCard( CString sDir ) const

stepmania/src/MemoryCardManager.h

@@ -55,6 +55,9 @@ protected:
 	bool	m_bWriteError[NUM_PLAYERS];	// couldn't write to the card
 	UsbStorageDevice m_Device[NUM_PLAYERS];	// device in the memory card slot, NULL if none
 
+	// don't play sounds on the first assign after resetting the driver
+	bool m_bDontPlaySoundsOnce;
+
 	RageSound m_soundReady;
 	RageSound m_soundError;
 	RageSound m_soundTooLate;