Fix more compile errors with msvc/cl

Author: SonnyBonds

wilco/src/buildconfigurator.cpp

@@ -57,7 +57,7 @@ void BuildConfigurator::collectCommands(Environment& env, std::vector<CommandEnt
 		{
 			throw std::runtime_error("Command '" + command.description + "' in project " + project.name + " has rspContents set but no corresponding rspFile.");
 		}
-		if (!command.rspFile.empty() && command.command.find("@" + str::quote(command.rspFile)) == std::string::npos)
+		if (!command.rspFile.empty() && command.command.find("@" + str::quote(command.rspFile.string())) == std::string::npos)
 		{
 			throw std::runtime_error("Command '" + command.description + "' in project " + project.name + " has rspFile set but no corresponding @rspFile in the command string. Currently @\"quoted/path\" is the only supported rsp file flag format, and path must be lexically identical to rspFile.");
 		}
@@ -113,7 +113,7 @@ static void generateCompileCommandsJson(std::ostream& stream, const Database& da
 			}
 			else
 			{
-				std::string rspFlag = "@" + str::quote(command.rspFile);
+				std::string rspFlag = "@" + str::quote(command.rspFile.string());
 				// Expand rsp contents since the rsp files are transient and won't be
 				// available to whatever consumes the compile commands file.
 				stream << "    \"command\": " << str::quote(str::replaceAll(command.command, rspFlag, command.rspContents)) << "\n";