Move fix for faulty _curves list after calls to Path#reverse() to the right place.

src/path/Path.js

@@ -1109,6 +1109,8 @@ var Path = this.Path = PathItem.extend(/** @lends Path# */{
 			segment._handleOut = handleIn;
 			segment._index = i;
 		}
+		// Clear curves since it all has changed.
+		delete this._curves;
 		// Flip clockwise state if it's defined
 		if (this._clockwise !== undefined)
 			this._clockwise = !this._clockwise;

src/path/PathItem.Boolean.js

@@ -114,13 +114,11 @@ PathItem.inject(new function() {
 			var children = path.children, i, len;
 			for (i = 0, len = children.length; i < len; i++) {
 				children[i].reverse();
-				children[i]._curves = null;
 			}
 			baseWinding = children[0].clockwise;
 		} else {
 			path.reverse();
 			baseWinding = path.clockwise;
-			path._curves = null;
 		}
 		return baseWinding;
 	}