mark interpol function as static

This is not used outside of its containing file.

diff --git a/cmd/smyrna/viewport.c b/cmd/smyrna/viewport.c
index a77ae18e3d26b8d77f0303846cb42401c1e91542..cf2b9174bfb0b8b48b9b8b33d4c5f2b3b9d51ca0 100644 (file)
--- a/cmd/smyrna/viewport.c
+++ b/cmd/smyrna/viewport.c
@@ -674,7 +674,7 @@ void glexpose(void)
     expose_event(view->drawing_area, NULL, NULL);
 }
 
-float interpol(float minv, float maxv, float minc, float maxc, float x)
+static float interpol(float minv, float maxv, float minc, float maxc, float x)
 {
     return ((x - minv) * (maxc - minc) / (maxv - minv) + minc);
 }