xdiff: remove duplicate headers from xpatience.c

diff --git a/vcs-svn/sliding_window.h b/vcs-svn/sliding_window.h
index 189c32d84c3c654c0a16bfe71284b24029724019..a7fc0999cb63c2abd9dd01f14aacabf40d986b13 100644 (file)
--- a/vcs-svn/sliding_window.h
+++ b/vcs-svn/sliding_window.h
@@ -13,6 +13,6 @@ struct sliding_view {
 
 #define SLIDING_VIEW_INIT(input, len)  { (input), 0, 0, (len), STRBUF_INIT }
 
-extern int move_window(struct sliding_view *view, off_t off, size_t width);
+int move_window(struct sliding_view *view, off_t off, size_t width);
 
 #endif