findutils: fix on-device build

packages/findutils/configure.patch

@@ -1,7 +1,16 @@
-diff -u -r ../findutils-4.4.2/configure ./configure
---- ../findutils-4.4.2/configure	2009-05-16 17:28:18.000000000 +0200
-+++ ./configure	2014-02-12 18:47:49.000000000 +0100
-@@ -21410,7 +21410,7 @@
+diff -uNr findutils-4.6.0/configure findutils-4.6.0.mod/configure
+--- findutils-4.6.0/configure	2015-12-28 23:31:23.000000000 +0200
++++ findutils-4.6.0.mod/configure	2019-08-16 17:21:04.358640627 +0300
+@@ -15945,7 +15945,7 @@
+           if test -n "$LIBMULTITHREAD" || test -n "$LTLIBMULTITHREAD"; then
+             if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then
+ 
+-$as_echo "#define USE_POSIX_THREADS_WEAK 1" >>confdefs.h
++#$as_echo "#define USE_POSIX_THREADS_WEAK 1" >>confdefs.h
+ 
+               LIBTHREAD=
+               LTLIBTHREAD=
+@@ -31716,7 +31716,7 @@
  
  
  # Determine how to get the list of mounted file systems.