less: -Werror=implicit-function-declaration

packages/less/configure.patch

@@ -0,0 +1,11 @@
+diff -u -r ../less-487/configure ./configure
+--- ../less-487/configure	2016-10-25 14:37:42.000000000 +0000
++++ ./configure	2017-07-07 08:39:29.875341117 +0000
+@@ -4077,6 +4077,7 @@
+     LIBS="$LIBS $TERMLIBS"
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
++#include <termcap.h>
+ 
+ int
+ main ()