Code changes to support ppc64le platform:

Reverted the changes for renaming 'luaL_reg' to 'luaL_Reg' , As this renaming will be done through CMakeList.txt Patch command
while building moonjit repo for ppc64le platform.
Signed-off-by: Sunil1783 <sunil.botre@ibm.com>

userspace/engine/formats.cpp

@@ -26,7 +26,7 @@ bool falco_formats::s_json_output = false;
 bool falco_formats::s_json_include_output_property = true;
 sinsp_evt_formatter_cache *falco_formats::s_formatters = NULL;
 
-const static struct luaL_Reg ll_falco [] =
+const static struct luaL_reg ll_falco [] =
 {
 	{"formatter", &falco_formats::formatter},
 	{"free_formatter", &falco_formats::free_formatter},

userspace/engine/rules.cpp

@@ -24,7 +24,7 @@ extern "C" {
 }
 
 #include "falco_engine.h"
-const static struct luaL_Reg ll_falco_rules [] =
+const static struct luaL_reg ll_falco_rules [] =
 {
 	{"clear_filters", &falco_rules::clear_filters},
 	{"add_filter", &falco_rules::add_filter},

userspace/falco/falco_outputs.cpp

@@ -27,7 +27,7 @@ limitations under the License.
 using namespace std;
 using namespace falco::output;
 
-const static struct luaL_Reg ll_falco_outputs [] =
+const static struct luaL_reg ll_falco_outputs [] =
 {
 	{"handle_http", &falco_outputs::handle_http},
 	{"handle_grpc", &falco_outputs::handle_grpc},

userspace/falco/logger.cpp

@@ -20,7 +20,7 @@ limitations under the License.
 
 #include "falco_common.h"
 
-const static struct luaL_Reg ll_falco [] =
+const static struct luaL_reg ll_falco [] =
 {
 	{"syslog", &falco_logger::syslog},
 	{NULL,NULL}