repo: fix a few warnings

Author: RaphaelIT7

source/holylua.cpp

@@ -6,7 +6,7 @@ static ConVar holylib_lua("holylib_lua", "0", 0, "If enabled, it will create a n
 
 static void lua_run_holylibCmd(const CCommand &args)
 {
-	if ( args.ArgC() < 1 || args.Arg(1) == "" )
+	if ( args.ArgC() < 1 || Q_stricmp(args.Arg(1), "") == 0 )
 	{
 		Msg("Usage: lua_run_holylib <code>\n");
 		return;

source/lua/CLuaInterface.cpp

@@ -416,11 +416,9 @@ bool CLuaInterface::IsType(int iStackPos, int iType)
 {
 	::DebugPrint(4, "CLuaInterface::IsType %i %i\n", iStackPos, iType);
 	int actualType = lua_type(state, iStackPos);
-	bool isType = false;
 
-	if (actualType == iType) {
+	if (actualType == iType)
 		return true;
-	}
 
 	if (iType > 8)
 	{

source/modules/gameserver.cpp

@@ -404,7 +404,6 @@ LUA_FUNCTION_STATIC(CBaseClient_UpdateAcknowledgedFramecount)
 LUA_FUNCTION_STATIC(CBaseClient_ShouldSendMessages)
 {
 	CBaseClient* pClient = Get_CBaseClient(1, true);
-	int nTick = LUA->CheckNumber(2);
 
 	LUA->PushBool(pClient->ShouldSendMessages());
 	return 1;

source/modules/physenv.cpp

@@ -1224,7 +1224,6 @@ static void FillObjectParams(objectparams_t& params, int iStackPos, GarrysMod::L
 
 LUA_FUNCTION_STATIC(IPhysicsEnvironment_CreatePolyObject)
 {
-	ILuaPhysicsEnvironment* pLuaEnv = Get_ILuaPhysicsEnvironment(1, true);
 	IPhysicsEnvironment* pEnvironment = GetPhysicsEnvironment(1, true);
 	CPhysCollide* pCollide = Get_CPhysCollide(2, true);
 	int materialIndex = (int)LUA->CheckNumber(3);
@@ -1239,7 +1238,6 @@ LUA_FUNCTION_STATIC(IPhysicsEnvironment_CreatePolyObject)
 
 LUA_FUNCTION_STATIC(IPhysicsEnvironment_CreatePolyObjectStatic)
 {
-	ILuaPhysicsEnvironment* pLuaEnv = Get_ILuaPhysicsEnvironment(1, true);
 	IPhysicsEnvironment* pEnvironment = GetPhysicsEnvironment(1, true);
 	CPhysCollide* pCollide = Get_CPhysCollide(2, true);
 	int materialIndex = (int)LUA->CheckNumber(3);
@@ -1254,7 +1252,6 @@ LUA_FUNCTION_STATIC(IPhysicsEnvironment_CreatePolyObjectStatic)
 
 LUA_FUNCTION_STATIC(IPhysicsEnvironment_CreateSphereObject)
 {
-	ILuaPhysicsEnvironment* pLuaEnv = Get_ILuaPhysicsEnvironment(1, true);
 	IPhysicsEnvironment* pEnvironment = GetPhysicsEnvironment(1, true);
 	float radius = (float)LUA->CheckNumber(2);
 	int materialIndex = (int)LUA->CheckNumber(3);
@@ -1270,7 +1267,6 @@ LUA_FUNCTION_STATIC(IPhysicsEnvironment_CreateSphereObject)
 
 LUA_FUNCTION_STATIC(IPhysicsEnvironment_DestroyObject)
 {
-	ILuaPhysicsEnvironment* pLuaEnv = Get_ILuaPhysicsEnvironment(1, true);
 	IPhysicsEnvironment* pEnvironment = GetPhysicsEnvironment(1, true);
 	IPhysicsObject* pObject = Get_IPhysicsObject(2, true);