davfs2: fix compilation with newer neon

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/davfs2/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=davfs2
 PKG_VERSION:=1.5.5
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=@SAVANNAH/davfs2

net/davfs2/patches/020-neon.patch

@@ -0,0 +1,11 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -36,7 +36,7 @@ AC_PROG_LN_S
+ # Checks for libraries.
+ AM_GNU_GETTEXT_VERSION(0.18.1)
+ AM_GNU_GETTEXT([external])
+-NE_REQUIRE_VERSIONS([0], [27 28 29 30])
++NE_REQUIRE_VERSIONS([0], [27 28 29 30 31])
+ DAV_CHECK_NEON
+ 
+ # Checks for header files.