Makefile entry for git-svnimport contained a small typo.

Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>

Makefile

@@ -92,7 +92,7 @@ SCRIPT_SH = \
 SCRIPT_PERL = \
 	git-archimport.perl git-cvsimport.perl git-relink.perl \
 	git-rename.perl git-shortlog.perl git-fmt-merge-msg.perl \
-	git-svnimport-perl
+	git-svnimport.perl
 
 SCRIPT_PYTHON = \
 	git-merge-recursive.py