Fix build

client/VCMI_client.cbp

@@ -69,7 +69,6 @@
 			<Add option="-Wno-sign-compare" />
 			<Add option="-Wno-unused-parameter" />
 			<Add option="-Wno-overloaded-virtual" />
-			<Add option="-fpermissive" />
 			<Add option="-isystem $(#boost.include)" />
 			<Add option="-DBOOST_THREAD_USE_LIB" />
 			<Add option="-DBOOST_SYSTEM_NO_DEPRECATED" />

client/windows/CSpellWindow.cpp

@@ -401,10 +401,10 @@ void CSpellWindow::computeSpellsPerArea()
 	std::vector<SpellID> spellsCurSite;
 	for(const SpellID & spellID : mySpells)
 	{
-		CSpell * s = spellID.toSpell();
+		const CSpell * s = spellID.toSpell();
 
 		if(s->combatSpell ^ !battleSpellsOnly
-			&& ((selectedTab == 4) || (s->school[(ESpellSchool)selectedTab]))
+			&& ((selectedTab == 4) || s->school.at((ESpellSchool)selectedTab))
 			)
 		{
 			spellsCurSite.push_back(spellID);