Sort .gitignore alphabetically

.gitignore

@@ -1,29 +1,28 @@
-stow
-chkstow
+.dirstamp
+Build
+MYMETA.json
+MYMETA.yml
 Makefile
 Makefile.in
+_build/
+autom4te.cache/
+blib/
+chkstow
 config.log
 config.status
 configure
-stamp-vti
-stow.info
-version.texi
-lib/Stow.pm
-doc/stow.8
-doc/stow.pdf
+doc/manual.html
 doc/manual.pdf
 doc/manual.texi
-doc/manual.html
+doc/stow.8
 doc/stow.html
-.dirstamp
+doc/stow.pdf
+lib/Stow.pm
 stamp-vti
-MYMETA.json
-MYMETA.yml
-autom4te.cache/
-blib/
-Build
-_build/
-tmp-testing-trees/
-
+stamp-vti
+stow
 stow-[0-9].[0-9].[0-9].tar.*
 stow-[0-9].[0-9].[0-9]/
+stow.info
+tmp-testing-trees/
+version.texi