Log Message:
Update to 45.5.1

Changelog:
45.5.1:
 #CVE-2016-9079: Use-after-free in SVG Animation

45.5.0:
 #CVE-2016-5296: Heap-buffer-overflow WRITE in rasterize_edges_1
 #CVE-2016-5294: Arbitrary target directory for result files of update process
 #CVE-2016-5297: Incorrect argument length checking in JavaScript
 #CVE-2016-9066: Integer overflow leading to a buffer overflow in nsScriptLoadHandler
 #CVE-2016-5291: Same-origin policy violation using local HTML file and saved \ 
shortcut file
 #CVE-2016-9074: Insufficient timing side-channel resistance in divSpoiler
 #CVE-2016-5290: Memory safety bugs fixed in Thunderbird 45.5