pack-heuristics.txt: mark up the file header properly

AsciiDoc wants these header-lines left-aligned. Signed-off-by: Thomas Ackermann <th.acker@arcor.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Thomas Ackermann committed Jan 11, 2014 at 17:28 UTC ebba6c0ca617352ceef5caa636ab243f0ef14cc3
1 file changed +2 -2
Documentation/technical/pack-heuristics.txt
+2 -2
@@ -1,5 +1,5 @@
1 - Concerning Git's Packing Heuristics
2 - ===================================
1 +Concerning Git's Packing Heuristics
2 +===================================
3
4 Oh, here's a really stupid question:
5