add <string> header from cpplint

Change-Id: I121a0e59f4a6769f65e392bf71dee1520d501530
Signed-off-by: jongmyeongko <jongmyeong.ko@samsung.com>

diff --git a/src/common/step/configuration/step_check_tizen_version.cc b/src/common/step/configuration/step_check_tizen_version.cc
index 532dadb..de29eee 100644 (file)
--- a/src/common/step/configuration/step_check_tizen_version.cc
+++ b/src/common/step/configuration/step_check_tizen_version.cc
@@ -6,6 +6,8 @@
 
 #include <manifest_parser/utils/version_number.h>
 
+#include <string>
+
 #include "common/installer_context.h"
 
 namespace {