Move all patches to templates/$pkgname/patches.

There's no need to set patch_files/patch_args anymore, all patches
in this directory will be applied with -Np0 and they have .diff
or .patch (and .gz/.bz2) extension.

--HG--
extra : convert_revision : 8d516c033fe34db94ebbcc84c246e84fc96ed901

templates/tcp_wrappers/patches/fix_build_scaffold.c.diff

@@ -0,0 +1,10 @@
+--- tcp_wrappers_7.6.orig/scaffold.c	1997-03-21 10:27:24.000000000 -0800
++++ tcp_wrappers_7.6/scaffold.c		2004-05-07 19:44:50.000000000 -0700
+@@ -25,7 +25,6 @@
+ #define	INADDR_NONE	(-1)		/* XXX should be 0xffffffff */
+ #endif
+ 
+-extern char *malloc();
+ 
+ /* Application-specific. */
+