prepare fix for copying plugin state

[ardour.git] / libs / ardour / iec1ppmdsp.cc

diff --git a/libs/ardour/iec1ppmdsp.cc b/libs/ardour/iec1ppmdsp.cc
index 79a572da1c2458890276268e8d99971d03867495..842d33b8b55cb4bc9d0ab17f4362f8fcd1913bc2 100644 (file)
--- a/libs/ardour/iec1ppmdsp.cc
+++ b/libs/ardour/iec1ppmdsp.cc
@@ -41,7 +41,7 @@ Iec1ppmdsp::~Iec1ppmdsp (void)
 }
 
 
-void Iec1ppmdsp::process (float *p, int n)
+void Iec1ppmdsp::process (float const *p, int n)
 {
     float z1, z2, m, t;