include readtex.h
diff --git a/progs/demos/multiarb.c b/progs/demos/multiarb.c
index 6fe35e7..d963985 100644
--- a/progs/demos/multiarb.c
+++ b/progs/demos/multiarb.c
@@ -17,7 +17,7 @@
 #include <string.h>
 #include <GL/glut.h>
 
-#include "readtex.c"   /* I know, this is a hack. */
+#include "readtex.h"
 
 #define TEXTURE_1_FILE "../images/girl.rgb"
 #define TEXTURE_2_FILE "../images/reflect.rgb"
@@ -36,7 +36,6 @@
 static GLfloat Xrot = 20.0, Yrot = 30.0, Zrot = 0.0;
 
 
-
 static void Idle( void )
 {
    if (Animate) {