[beast: 14/43] TOOLS: only use Bse::assert_return{_unreached}

[Tim Janik <timj src gnome org>]

commit 2110108e93d67cd7993242c854d1b4a4d3237722
Author: Tim Janik <timj gnu org>
Date:   Sun Jun 25 16:02:14 2017 +0200

    TOOLS: only use Bse::assert_return{_unreached}
    
    Signed-off-by: Tim Janik <timj gnu org>

 tools/bsefextract.cc |    4 ++--
 tools/bsewavetool.cc |    6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/tools/bsefextract.cc b/tools/bsefextract.cc
index 1fcf3b7..7e32f22 100644
--- a/tools/bsefextract.cc
+++ b/tools/bsefextract.cc
@@ -84,7 +84,7 @@ class AudioSignal
   {
     if (m_length < m_n_channels)
       {
-        assert (m_length == 0);
+        assert_return (m_length == 0, false);
         return true;
       }
     return false;
@@ -330,7 +330,7 @@ struct SpectrumFeature : public Feature
   build_frequency_vector (double *samples)
   {
     const size_t size = window.size();
-    assert (size > 0);
+    assert_return (size > 0, vector<double>());
 
     vector<double> fvector;
     double in[size], c[size + 2], *im;
diff --git a/tools/bsewavetool.cc b/tools/bsewavetool.cc
index 63c229b..d0878c1 100644
--- a/tools/bsewavetool.cc
+++ b/tools/bsewavetool.cc
@@ -367,7 +367,7 @@ public:
           key_string += 'a' + digit - 10 - 26;
         key_uint /= 62;
       }
-    assert (key_uint == 0);
+    assert_return (key_uint == 0, "");
 
     return key_string;
   }
@@ -2239,8 +2239,8 @@ public:
        chunk_data.iterators.push_back (it);
       }
 
-    assert (chunk_data.sizes.size() > 0);
-    assert (chunk_data.sizes.size() == chunk_data.errors.size());
+    assert_return (chunk_data.sizes.size() > 0);
+    assert_return (chunk_data.sizes.size() == chunk_data.errors.size());
 
     ChunkSet chunk_set;
     init_empty_set (chunk_data, chunk_set);