progs: Build samples dir with scons and glew.
diff --git a/progs/samples/blendeq.c b/progs/samples/blendeq.c
index d5143ec..cd0474c 100644
--- a/progs/samples/blendeq.c
+++ b/progs/samples/blendeq.c
@@ -11,10 +11,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
-#ifdef _WIN32
-#include <windows.h>
-#endif
-#define GL_GLEXT_PROTOTYPES
+#include <GL/glew.h>
 #include <GL/glut.h>
 
 GLenum doubleBuffer;
@@ -274,6 +271,8 @@
 	exit(1);
     }
 
+    glewInit();
+
     /* Make sure blend_logic_op extension is there. */
     s = (char *) glGetString(GL_EXTENSIONS);
     version = (char*) glGetString(GL_VERSION);