* .gitignore: add an ignore file for git-svn users.

.gitignore

+*.o
+*.lo
+*.la
+*.a
+*.exe
+*.pc
+.auto
+.libs
+.deps
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache
+config.h.in
+config.h
+config.log
+config.status
+configure
+libtool
+stamp-*
+*-stamp
+examples/decode_mpeg
+examples/decode_pat
+examples/decode_pmt
+examples/decode_sdt
+misc/gen_crc
+misc/gen_pat
+misc/gen_pmt
+misc/test_dr