MGASA-2017-0312 Updated libmodplug packages fix security vulnerabilities

libmodplug 0.8.9.0 fixes various out-of-bounds read and write errors as well as divide-by-zero issues...

MGASA-2015-0474 Updated potrace packages fix security vulnerabilities

Potrace before 1.13 has some critical bugs in the processing of BMP files. These bugs allowed the program to be crashed, or potentially to be abused in other ways, by feeding it specially crafted BMP files, due to heap overflow, null pointer dereference, and divide by zero issues...