Fix compilation error on Linux systems

TomerJLevy · web-flow · commit 2c95d106b991 · 2019-09-15T13:10:24.000+03:00
L"NULL" is a wchar in which fails to compile if the cpprestsdk::string_t is defined as std::string and not std::wstring (It's std::wstring only for windows)
diff --git a/samples/client/petstore/cpp-restsdk/client/ModelBase.cpp b/samples/client/petstore/cpp-restsdk/client/ModelBase.cpp
@@ -296,7 +296,7 @@ utility::string_t ModelBase::stringFromJson(const web::json::value& val)
 
 utility::datetime ModelBase::dateFromJson(const web::json::value& val)
 {
-    return val.is_null() ? utility::datetime::from_string(L"NULL", utility::datetime::ISO_8601) : utility::datetime::from_string(val.as_string(), utility::datetime::ISO_8601);
+    return val.is_null() ? utility::datetime::from_string(utility::conversions::to_string_t("NULL"), utility::datetime::ISO_8601) : utility::datetime::from_string(val.as_string(), utility::datetime::ISO_8601);
 }
 bool ModelBase::boolFromJson(const web::json::value& val)
 {

Original file line number	Diff line number	Diff line change
`@@ -296,7 +296,7 @@ utility::string_t ModelBase::stringFromJson(const web::json::value& val)`
`296`	`296`
`297`	`297`	`utility::datetime ModelBase::dateFromJson(const web::json::value& val)`
`298`	`298`	`{`
`299`		`- return val.is_null() ? utility::datetime::from_string(L"NULL", utility::datetime::ISO_8601) : utility::datetime::from_string(val.as_string(), utility::datetime::ISO_8601);`
	`299`	`+ return val.is_null() ? utility::datetime::from_string(utility::conversions::to_string_t("NULL"), utility::datetime::ISO_8601) : utility::datetime::from_string(val.as_string(), utility::datetime::ISO_8601);`
`300`	`300`	`}`
`301`	`301`	`bool ModelBase::boolFromJson(const web::json::value& val)`
`302`	`302`	`{`