refactor(userspace): remove libs relative imports

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

userspace/engine/rule_loader_reader.cpp

@@ -23,6 +23,7 @@ limitations under the License.
 #include "rule_loader_reader.h"
 #include "falco_engine_version.h"
 #include "rule_loading_messages.h"
+#include <libsinsp/logger.h>
 
 #define THROW(cond, err, ctx)    { if ((cond)) { throw rule_loader::rule_load_exception(falco::load_result::LOAD_ERR_YAML_VALIDATE, (err), (ctx)); } }