most recent stable version of mu package for opensuse stable

See official site for more details.

1. newest version 0.9.9.5
2. mu4e is built by default.

During build & installation, there are some warnings. This might be the problem of upstream.

[   63s] install-info: excess command line argument `.'
[   63s] install-info: excess command line argument `..'
[   63s] install-info: excess command line argument `.build'
[   63s] install-info: excess command line argument `.build-changelog'
[   63s] install-info: excess command line argument `.build.command'
[   63s] install-info: excess command line argument `.build.log'
[   63s] install-info: excess command line argument `.build.packages'
[   63s] install-info: excess command line argument `.build_patchrpmcheck1'
[   63s] install-info: excess command line argument `.build_patchrpmcheck_scr'
[   63s] install-info: excess command line argument `.buildenv'
[   63s] install-info: excess command line argument `.guessed_dist'
[   63s] install-info: excess command line argument `.reorder'

: [  201s] make[3]: Leaving directory `/home/abuild/rpmbuild/BUILD/mu-0.9.9.5/guile/tests'
: [  201s] TEST: test-mu-guile... (pid=7663)
: [  202s]   /guile/queries:                                                      **
: [  202s] ERROR:test-mu-guile.c:87:test_something: assertion failed: (result == 0)
: [  202s] FAIL
: [  202s] GTester: last random seed: R02S59957ff700c551a1b7e97787117ca560
: [  202s] /bin/sh: line 5:  7662 Terminated              gtester --verbose test-mu-guile
: [  202s] make[2]: *** [test] Error 143
: [  202s] make[2]: Leaving directory `/home/abuild/rpmbuild/BUILD/mu-0.9.9.5/guile/tests'
: [  202s] make[1]: *** [test] Error 2
: [  202s] make[1]: Leaving directory `/home/abuild/rpmbuild/BUILD/mu-0.9.9.5/guile'
: [  202s] make: *** [test] Error 2
: [  202s] error: Bad exit status from /var/tmp/rpm-tmp.JcCVwO (%check)