map cluster marker not loaded over https

[GoogleCodeExporter]

https://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclustererp
lus/src/markerclusterer.js

/**
 * The default root name for the marker cluster images.
 *
 * @type {string}
 * @constant
 */
MarkerClusterer.IMAGE_PATH = 
"http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclustererp
lus/images/m";

What steps will reproduce the problem?
1. load 
https://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/
examples/simple_example.html
2. The page at 
'https://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer
/examples/simple_example.html' was loaded over HTTPS, but displayed insecure 
content from 
'http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/
images/m1.png': this content should also be loaded over HTTPS.
3.

Expected result:

Actual result:

Version: ###

Browser / Operating System:
[Chrome / Win7]

Additional comments:
[Enter any additional comments about the bug here.]

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Original issue reported on code.google.com by andrea.e...@gmail.com on 23 Oct 2014 at 11:28

[GoogleCodeExporter]

This a (better described) duplicate of: 
https://code.google.com/p/google-maps-utility-library-v3/issues/detail?id=225

Original comment by akbarova...@gmail.com on 24 Nov 2014 at 3:57

[GoogleCodeExporter]

The problem can be solved by overriding the imagePath option using it's httpS 
version like :

mcOptions = {
imagePath: 
"https://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer
plus/images/m"
};

markerCluster = new MarkerClusterer(map, MarksToDisplay, mcOptions);

Cdlt,
Bertrand.

Original comment by bertrand...@gmail.com on 31 Jul 2015 at 9:20