Use loops instead of copy pasting

after.m

	for(NSString *when in @[@"will", @"did"]) {
		[_output writeRowWithValues:@[											 // COLUMNS:
			[NSString stringWithFormat:@"%.4f", [_output currentSessionTime]],   // Time
			type,															     // {interface|device}
			when,															     // {will|did}
			[NSString stringWithFormat:@"%d", newDegrees],					     // newOrientationInDegreesWhere0IsPortrait
			[NSString stringWithFormat:@"%.2f", duration],                       // transitionDurationForInterfaceRotation
		]];
	}

before.m

	NSString *when = @"will";
	GFLog(GFDebug, @"%@ orientation %@ become %d°", type, when, newDegrees);
	[_output writeRowWithValues:@[											 // COLUMNS:
		[NSString stringWithFormat:@"%.4f", [_output currentSessionTime]],   // Time
		type,															     // {interface|device}
		when,															     // {will|did}
		[NSString stringWithFormat:@"%d", newDegrees],					     // newOrientationInDegreesWhere0IsPortrait
		[NSString stringWithFormat:@"%.2f", duration],                       // transitionDurationForInterfaceRotation
	]];
	when = @"did";
	
	[_output writeRowWithValues:@[											 // COLUMNS:
		[NSString stringWithFormat:@"%.4f", [_output currentSessionTime]],   // Time
		type,															     // {interface|device}
		when,															     // {will|did}
		[NSString stringWithFormat:@"%d", newDegrees],					     // newOrientationInDegreesWhere0IsPortrait
		[NSString stringWithFormat:@"%.2f", duration],                       // transitionDurationForInterfaceRotation
	]];