Updated .gitignore

r: alan

svn path=/trunk/moon/; revision=144897

m4/.gitignore

@@ -1,2 +1,8 @@
 /Makefile
 /Makefile.in
+/libtool.m4
+/ltoptions.m4
+/ltsugar.m4
+/ltversion.m4
+/lt~obsolete.m4
+