Clean up identifiers

FossilOrigin-Name: d35fd65699e79d96fc0588fff075f73b0dd7eb6ebfa0f6cffd0b0a3940e5fecd

src/Variable.m

@@ -0,0 +1,21 @@
+#import "Variable.h"
+
+@implementation Variable
+- (instancetype)initWithName:(OFString *)name
+                         min:(int)min
+                         max:(int)max
+                     storage:(int *)storage
+                    function:(void (*)())function
+                   persisted:(bool)persisted
+{
+	self = [super initWithName:name];
+
+	_min = min;
+	_max = max;
+	_storage = storage;
+	_function = function;
+	_persisted = persisted;
+
+	return self;
+}
+@end