Add a missing #include

diff --git a/source/core/application.h b/source/core/application.h
index 6b3ec1aa65bdd98b2877440a3f7a2f6e668d191a..d0985be900fb493714760ab07335d06faaa87298 100644 (file)
--- a/source/core/application.h
+++ b/source/core/application.h
@@ -2,6 +2,7 @@
 #define MSP_CORE_APPLICATION_H_
 
 #include <stdexcept>
+#include <string>
 
 namespace Msp {