[mm-common] Remove pointless prerequisite from dist-changelog

[Daniel Elstner <daniel src gnome org>]

commit 0cf9833920051a4841cd6ffe68b6c46a29c71c79
Author: Daniel Elstner <danielk openismus com>
Date:   Tue Sep 1 01:05:53 2009 +0200

    Remove pointless prerequisite from dist-changelog
    
    * build/dist-changelog.am (dist-changelog): Remove internal git file
    from the target prerequisites.  If the source directory is not a git
    repository, the command will fail anyway.

 build/dist-changelog.am |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/build/dist-changelog.am b/build/dist-changelog.am
index 4f6977d..a72e77d 100644
--- a/build/dist-changelog.am
+++ b/build/dist-changelog.am
@@ -23,11 +23,11 @@ endif
 
 .PHONY: dist-changelog
 
-dist-changelog: $(top_srcdir)/.git/HEAD
+dist-changelog:
 	@if git --git-dir="$(top_srcdir)/.git" --work-tree="$(top_srcdir)" \
 		log --date=short --pretty='format:%cd  %an  <%ae>%n%n%s%n%n%b%n' \
 	  | sed	-e '/^[12]...-[01].-[0123].  [^<>]*  <[^<>]*>$$/,/^$$/ b' \
-	 	-e '/[^	 ]/,/^[	 ]*$$/! d' \
+		-e '/[^	 ]/,/^[	 ]*$$/! d' \
 		-e 's/^[	 ]*/	/' \
 		-e 's/^[	 ]*$$//' >.ChangeLog.tmp; \
 	then mv -f .ChangeLog.tmp "$(top_distdir)/ChangeLog"; \