[PATCH] Introduce diff_free_filepair() funcion.

This introduces a new function to free a common data structure,
and plugs some leaks.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diffcore-pathspec.c

@@ -59,7 +59,7 @@ void diffcore_pathspec(const char **pathspec)
 		    matches_pathspec(p->two->path, spec, speccnt))
 			diff_q(&outq, p);
 		else
-			free(p);
+			diff_free_filepair(p);
 	}
 	free(q->queue);
 	*q = outq;