Include <algorithm> for std::max.

wilx · wilx · commit a825441565f2 · 2015-01-05T16:29:27.000+01:00
diff --git a/ThreadPool.h b/ThreadPool.h
@@ -35,6 +35,7 @@
 #include <atomic>
 #include <functional>
 #include <stdexcept>
+#include <algorithm>
 
 
 namespace progschj {
