Fix typos.

Fix typos.

Reported by <Jens.Schleusener@fossies.org>.

* gettext-tools/libgrep/m-regex.c: Fix typo in comments.
* gettext-tools/misc/autopoint.in: Likewise.
* gettext-tools/misc/gettextize.in: Likewise.
* gettext-tools/src/format-python-brace.c: Likewise.
* gettext-tools/src/gnu/gettext/DumpResource.java: Likewise.
* gettext-tools/src/its.h: Likewise.
* gettext-tools/src/locating-rules.h: Likewise.
* gettext-tools/src/msgmerge.c: Likewise.
* gettext-tools/src/read-catalog-abstract.h: Likewise.
* gettext-tools/src/read-catalog-abstract.c: Likewise.
* gettext-tools/src/read-catalog.h: Likewise.
* gettext-tools/src/read-properties.c: Likewise.
* gettext-tools/src/write-java.c: Likewise.
* gettext-tools/src/write-mo.c: Likewise.
* gettext-tools/src/x-d.c: Likewise.
* gettext-tools/src/x-scheme.c: Likewise.
* gettext-tools/src/x-sh.c: Likewise.
* gettext-tools/emacs/po-mode.el: Fix typos in help and comments.
* gettext-tools/doc/gettext.texi: Fix typos.
* NEWS: Fix typos.