include needed file for runtime_error

Upstream yocto appears to have removed a free include that provided the
def of the std::runtime_error. This causes compile failures when
bringing in the new yocto.

Change-Id: I0d38ee2426999f6807b1d8f1f968bc3adb158dfe
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/power-supply/record_manager.hpp b/power-supply/record_manager.hpp
index eae741d..fed860d 100644
--- a/power-supply/record_manager.hpp
+++ b/power-supply/record_manager.hpp
@@ -2,6 +2,7 @@
 
 #include <cstdint>
 #include <deque>
+#include <stdexcept>
 #include <tuple>
 #include <vector>