smyrna: remove unnecessary casts in 'vertexCallback'

diff --git a/cmd/smyrna/polytess.c b/cmd/smyrna/polytess.c
index ee94fa324e65c07451ea2facb550748b820df546..c7d22c09f994af71365c16c5afa85d9e75bdc243 100644 (file)
--- a/cmd/smyrna/polytess.c
+++ b/cmd/smyrna/polytess.c
@@ -36,9 +36,8 @@ static void CALLBACK combineCallback(GLdouble coords[3], GLdouble *vertex_data[4
 
 static void CALLBACK vertexCallback(GLvoid *vertex)
 {
-    GLdouble *ptr;
-    ptr = (GLdouble *) vertex;
-    glVertex3dv((GLdouble *) ptr);
+    GLdouble *ptr = vertex;
+    glVertex3dv(ptr);
 
 }