void-packages/srcpkgs/synfig/patches/fix-isnan.patch

--- src/synfig/time.cpp	2015-07-09 09:33:03.000000000 +0200
+++ src/synfig/time.cpp	2015-10-20 02:51:23.394773482 +0200
@@ -319,5 +319,5 @@
 bool
 Time::is_valid()const
 {
-	return !isnan(value_);
+	return !std::isnan(value_);
 }