Fixing default behavior

Author: fjcaetano

Library/Sources/SCRecordSession.m

@@ -117,6 +117,7 @@ - (id)init {
         _currentRecordDuration = kCMTimeZero;
         _videoTimeScale = 1;
         _shouldTrackRecordSegments = YES;
+        _shouldDropFrames = YES;
         _date = [NSDate date];
 
         long timeInterval =  (long)[_date timeIntervalSince1970];