Repaired 'make dist' tarball output.

Makefile.am

src/lib-sieve/plugins/body/Makefile.am

src/lib-sieve/plugins/body/body.sieve

src/lib-sieve/plugins/comparator-i-ascii-numeric/Makefile.am

...gins/comparator-i-ascii-numeric/cmp-i-ascii-numeric.sieve

src/lib-sieve/plugins/copy/Makefile.am

src/lib-sieve/plugins/copy/copy.sieve

src/lib-sieve/plugins/imapflags/Makefile.am

src/lib-sieve/plugins/imapflags/imapflags-2.sieve

src/lib-sieve/plugins/imapflags/imapflags-errors.sieve

src/lib-sieve/plugins/imapflags/imapflags-implicit.sieve

src/lib-sieve/plugins/imapflags/imapflags-variables.sieve

src/lib-sieve/plugins/imapflags/imapflags.sieve

src/lib-sieve/plugins/regex/Makefile.am

src/lib-sieve/plugins/relational/Makefile.am

src/lib-sieve/plugins/relational/relational.sieve

src/lib-sieve/plugins/subaddress/Makefile.am

src/lib-sieve/plugins/subaddress/subaddress.sieve

src/lib-sieve/plugins/vacation/Makefile.am

src/lib-sieve/plugins/vacation/vacation-errors.sieve