[doc] remove reference to test-source_multi

diff --git a/src/io/source.h b/src/io/source.h
index 2df2584..ff9b8be 100644 (file)
--- a/src/io/source.h
+++ b/src/io/source.h
@@ -59,7 +59,6 @@
   A simple source to read from 16-bits PCM RIFF encoded WAV files.
 
   \example io/test-source.c
-  \example io/test-source_multi.c
 
 */