winealsa.drv: Clean up DriverProc.

dlls/winealsa.drv/alsa.c

@@ -727,18 +727,19 @@ LRESULT CALLBACK ALSA_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
 #ifdef HAVE_ALSA
     case DRV_LOAD:		ALSA_WaveInit();
 				ALSA_MidiInit();
-				return 1;
-    case DRV_FREE:		return 1;
-    case DRV_OPEN:		return 1;
-    case DRV_CLOSE:		return 1;
-    case DRV_ENABLE:		return 1;
-    case DRV_DISABLE:		return 1;
-    case DRV_QUERYCONFIGURE:	return 1;
+    case DRV_FREE:
+    case DRV_OPEN:
+    case DRV_CLOSE:
+    case DRV_ENABLE:
+    case DRV_DISABLE:
+    case DRV_QUERYCONFIGURE:
+        return 1;
     case DRV_CONFIGURE:		MessageBoxA(0, "ALSA MultiMedia Driver !", "ALSA Driver", MB_OK);	return 1;
-    case DRV_INSTALL:		return DRVCNF_RESTART;
-    case DRV_REMOVE:		return DRVCNF_RESTART;
+    case DRV_INSTALL:
+    case DRV_REMOVE:
+        return DRV_SUCCESS;
 #endif
     default:
-	return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
+	return 0;
     }
 }