Fix small error with Makefile

Makefile

@@ -24,11 +24,12 @@ test:
 
 SudoEdit.vmb:
 	vim -N -c 'ru! vimballPlugin.vim' -c ':let g:vimball_home=getcwd()'  -c ':call append("0", ["autoload/SudoEdit.vim", "doc/SudoEdit.txt", "plugin/SudoEdit.vim"])' -c '$$d' -c ':%MkVimball ${PLUGIN}' -c':q!'
+	vim -N -c 'ru! vimballPlugin.vim' -c ':so %' -c':q!' ${PLUGIN}.vmb
 
 SudoEdit:
 	rm -f ${PLUGIN}.vmb
-	perl -i.orig -pne 'if (/Version:/) {s/\.(\d)*/sprintf(".%d", 1+$$1)/e}' ${SCRIPT}
+	perl -i.orig -pne 'if (/Version:/) {s/\.(\d*)/sprintf(".%d", 1+$$1)/e}' ${SCRIPT}
 	perl -i -pne 'if (/GetLatestVimScripts:/) {s/(\d+)\s+:AutoInstall:/sprintf("%d :AutoInstall:", 1+$$1)/e}' ${SCRIPT}
-	perl -i -pne 'if (/Last Change:/) {s/(:\s+).*$$/sprintf(": %s", `date -R`)/e}' ${SCRIPT}
+	perl -i -pne 'if (/Last Change:/) {s/(:\s+).*\n/sprintf(": %s", `date -R`)/e}' ${SCRIPT}
 	perl -i.orig -pne 'if (/Version:/) {s/\.(\d)+.*\n/sprintf(".%d %s", 1+$$1, `date -R`)/e}' ${DOC}