progs: Prevent clash with min macro.
diff --git a/progs/demos/streaming_rect.c b/progs/demos/streaming_rect.c
index 4d4656e..294f9c3 100644
--- a/progs/demos/streaming_rect.c
+++ b/progs/demos/streaming_rect.c
@@ -47,7 +47,10 @@
 }
 
 /*static int max( int a, int b ) { return a > b ? a : b; }*/
+
+#ifndef min
 static int min( int a, int b ) { return a < b ? a : b; }
+#endif
 
 static void DrawObject()
 {