Merge branch 'PHP-7.4'

nunoplopes · nunoplopes · commit 960f22709c1c · 2019-03-17T08:10:53.000-04:00
* PHP-7.4:
  remove unneeded AC_REQUIRE([AC_PROG_YACC]) thanks Peter Kokot for noticing
diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
@@ -4,7 +4,6 @@ dnl
 
 AC_DEFUN([LIBZEND_BASIC_CHECKS],[
 
-AC_REQUIRE([AC_PROG_YACC])
 AC_REQUIRE([AC_PROG_CC])
 
 LIBZEND_BISON_CHECK
