diff -pruN mjpegtools-1.9.0.orig/mplex/lpcmstrm_in.cpp mjpegtools-1.9.0/mplex/lpcmstrm_in.cpp
--- mjpegtools-1.9.0.orig/mplex/lpcmstrm_in.cpp	2009-11-03 09:12:41.193553723 +0000
+++ mjpegtools-1.9.0/mplex/lpcmstrm_in.cpp	2009-11-03 09:13:54.740427219 +0000
@@ -53,7 +53,7 @@ LPCMStream::LPCMStream(IBitStream &ibs, 
 
 bool LPCMStream::Probe(IBitStream &bs )
 {
-    char *last_dot = strrchr( bs.StreamName(), '.' );
+    const char *last_dot = strrchr( bs.StreamName(), '.' );
     return 
         last_dot != NULL 
         && strcmp( last_dot+1, "lpcm") == 0;