Upgrade to pcre2-10.33 (2019-04-16).

Test: treehugger
Change-Id: I4c9d87617cb7ede4627974ffd530666eb0123121
diff --git a/dist2/NON-AUTOTOOLS-BUILD b/dist2/NON-AUTOTOOLS-BUILD
index b742ed3..39e7620 100644
--- a/dist2/NON-AUTOTOOLS-BUILD
+++ b/dist2/NON-AUTOTOOLS-BUILD
@@ -48,7 +48,7 @@
      macro to specify what character(s) you want to be interpreted as line
      terminators by default.
 
-     When you compile any of the PCRE2 modules, you must specify
+     When you subsequently compile any of the PCRE2 modules, you must specify
      -DHAVE_CONFIG_H to your compiler so that src/config.h is included in the
      sources.
 
@@ -62,6 +62,11 @@
      new release, you are strongly advised to review src/config.h.generic
      before re-using what you had previously.
 
+     Note also that the src/config.h.generic file is created from a config.h
+     that was generated by Autotools, which automatically includes settings of
+     a number of macros that are not actually used by PCRE2 (for example,
+     HAVE_MEMORY_H).
+
  (2) Copy or rename the file src/pcre2.h.generic as src/pcre2.h.
 
  (3) EITHER:
@@ -104,6 +109,7 @@
        pcre2_newline.c
        pcre2_ord2utf.c
        pcre2_pattern_info.c
+       pcre2_script_run.c
        pcre2_serialize.c
        pcre2_string_utils.c
        pcre2_study.c
@@ -395,6 +401,6 @@
 z/OS file formats. The port provides an API for LE languages such as COBOL and
 for the z/OS and z/VM versions of the Rexx languages.
 
-===========================
-Last Updated: 19 April 2018
-===========================
+==============================
+Last Updated: 14 November 2018
+==============================