fix(userspace/falco): use io.h instead of unistd.h on win32

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

userspace/falco/app/actions/init_outputs.cpp

@@ -16,7 +16,11 @@ limitations under the License.
 */
 
 #include <stdlib.h>
+#ifdef _WIN32
+#include <io.h>
+#else
 #include <unistd.h>
+#endif
 
 #include "actions.h"
 

userspace/falco/app/restart_handler.cpp

@@ -21,7 +21,11 @@ limitations under the License.
 
 #include <string.h>
 #include <fcntl.h>
+#ifdef _WIN32
+#include <io.h>
+#else
 #include <unistd.h>
+#endif
 #if !defined(__APPLE__)
 #include <sys/inotify.h>
 #endif

userspace/falco/configuration.h

@@ -19,7 +19,11 @@ limitations under the License.
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#ifdef _WIN32
+#include <io.h>
+#else
 #include <unistd.h>
+#endif
 #include <yaml-cpp/yaml.h>
 #include <string>
 #include <vector>

userspace/falco/yaml_helper.h

@@ -19,7 +19,11 @@ limitations under the License.
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#ifdef _WIN32
+#include <io.h>
+#else
 #include <unistd.h>
+#endif
 #include <yaml-cpp/yaml.h>
 #include <string>
 #include <vector>