[beast: 40/43] TOOLS: use Bse::warning() for runtime warnings

[Tim Janik <timj src gnome org>]

commit d2e8641bf8e29b555d71262d8e8359da5d5faf9c
Author: Tim Janik <timj gnu org>
Date:   Mon Jun 26 02:09:25 2017 +0200

    TOOLS: use Bse::warning() for runtime warnings
    
    Signed-off-by: Tim Janik <timj gnu org>

 tools/mathtool.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tools/mathtool.cc b/tools/mathtool.cc
index 40583c1..03ca0db 100644
--- a/tools/mathtool.cc
+++ b/tools/mathtool.cc
@@ -601,7 +601,7 @@ main (int   argc,
                     bse_poly_str (order, b, "z"));
        }
       else
-       g_error ("unknown filter_mode");
+        Bse::warning ("unknown filter_mode");
       g_free (a);
       g_free (b);
     }