[beast: 1/3] TESTS: testresampler: fix signedness related bug in FFT windowing

[Tim Janik <timj src gnome org>]

commit ff3f5e48a4267bacf859e703f49a6498877f879c
Author: Stefan Westerfeld <stefan space twc de>
Date:   Tue Feb 21 14:14:21 2017 +0100

    TESTS: testresampler: fix signedness related bug in FFT windowing
    
    Signed-off-by: Stefan Westerfeld <stefan space twc de>

 tests/testresampler.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/testresampler.cc b/tests/testresampler.cc
index 3d4c334..07000f4 100644
--- a/tests/testresampler.cc
+++ b/tests/testresampler.cc
@@ -534,7 +534,7 @@ perform_test()
 
              for (guint i = 0; i < FFT_SIZE; i++)
                {
-                 double w = bse_window_blackman (double (2 * i - FFT_SIZE) / FFT_SIZE);
+                 double w = bse_window_blackman ((2.0 * i - FFT_SIZE) / FFT_SIZE);
 
                  normalize += w;
                  error_spectrum_error[i] *= w;