[test] Re-enable branch coverage in coverage test report

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Don't alloc memory in module scan calls

Move memory allocation in module scan functions to load epilogue to avoid
testing and handling allocation errors during module replay.

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
Merge branch 'master' of github.com:cmatsuoka/libxmp