fix(userspace/falco): remove syslog on windows

Signed-off-by: Roberto Scolaro <roberto.scolaro21@gmail.com>

userspace/falco/logger.cpp

@@ -144,6 +144,7 @@ void falco_logger::log(int priority, const std::string&& msg)
 
 	std::string copy = msg;
 
+#ifndef _WIN32
 	if (falco_logger::log_syslog)
 	{
 		// Syslog output should not have any trailing newline
@@ -154,6 +155,7 @@ void falco_logger::log(int priority, const std::string&& msg)
 
 		::syslog(priority, "%s", copy.c_str());
 	}
+#endif
 
 	if (falco_logger::log_stderr)
 	{

userspace/falco/logger.h

@@ -18,7 +18,18 @@ limitations under the License.
 #pragma once
 
 #include "sinsp.h"
+#ifdef _WIN32
+#define	LOG_EMERG	0
+#define	LOG_ALERT	1
+#define	LOG_CRIT	2
+#define	LOG_ERR		3
+#define	LOG_WARNING	4
+#define	LOG_NOTICE	5
+#define	LOG_INFO	6
+#define	LOG_DEBUG	7
+#else
 #include <syslog.h>
+#endif
 
 class falco_logger
 {

userspace/falco/outputs_syslog.cpp

@@ -16,10 +16,14 @@ limitations under the License.
 */
 
 #include "outputs_syslog.h"
+#ifndef _WIN32
 #include <syslog.h>
+#endif
 
 void falco::outputs::output_syslog::output(const message *msg)
 {
+#ifndef _WIN32
 	// Syslog output should not have any trailing newline
 	::syslog(msg->priority, "%s", msg->msg.c_str());
+#endif
 }