Fix function parameter type as pointed out on squirrel repository by https://github.com/albertodemichelis/squirrel/pull/138/files

SquiLu/squirrel/sqobject.cpp

@@ -331,7 +331,7 @@ static bool SafeWriteFmt(HSQUIRRELVM v,SQWRITEFUNC write,SQUserPointer up, const
 	return false;
 }
 
-static bool SafeRead(HSQUIRRELVM v,SQWRITEFUNC read,SQUserPointer up,SQUserPointer dest,SQInteger size)
+static bool SafeRead(HSQUIRRELVM v,SQREADFUNC read,SQUserPointer up,SQUserPointer dest,SQInteger size)
 {
 	if(size && read(up,dest,size) != size) {
 		v->Raise_Error(_SC("io error, read function failure, the origin stream could be corrupted/trucated"));
@@ -345,7 +345,7 @@ static bool WriteTag(HSQUIRRELVM v,SQWRITEFUNC write,SQUserPointer up,SQUnsigned
 	return SafeWrite(v,write,up,&tag,sizeof(tag));
 }
 
-static bool CheckTag(HSQUIRRELVM v,SQWRITEFUNC read,SQUserPointer up,SQUnsignedInteger32 tag)
+static bool CheckTag(HSQUIRRELVM v,SQREADFUNC read,SQUserPointer up,SQUnsignedInteger32 tag)
 {
 	SQUnsignedInteger32 t;
 	_CHECK_IO(SafeRead(v,read,up,&t,sizeof(t)));