[htmldoc] fix patch application

[Rex Dieter]

commit bc889b3734a91649f912155a9ab303da98ab31e8
Author: Rex Dieter <rdieter at fedoraproject.org>
Date:   Fri Jan 13 23:37:48 2012 -0600

    fix patch application

 htmldoc.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/htmldoc.spec b/htmldoc.spec
index 1536449..deedd9c 100644
--- a/htmldoc.spec
+++ b/htmldoc.spec
@@ -111,7 +111,7 @@ cd ..
 %patch4 -p1 -b .fortify-fail
 
 # fix build with libpng-1.5+
-%patch6 -p1 -b .libpng15
+%patch6 -p0 -b .libpng15
 
 
 %build