Add missing <stdexcept> include to use std::runtime_error

Cheney-Wang · Cheney-Wang · commit 72a8e3e01eff · 2018-10-31T19:21:26.000-07:00
diff --git a/docopt_value.h b/docopt_value.h
@@ -9,6 +9,7 @@
 #ifndef docopt__value_h_
 #define docopt__value_h_
 
+#include <stdexcept>
 #include <string>
 #include <vector>
 #include <functional> // std::hash
