MGASA-2017-0413 Updated libextractor packages fix security vulnerabilities

In 'EXTRACTORwavextractmethod' function of wavextractor.c, the program does not check the value of samplerate, with a crafted file, the samplerate can be set to zero, resulting in a divide by zero and a crash CVE-2017-15266. NULL Pointer Dereference vulnerability in libextract when getting flac...