Regex: Update PCRE to v8.35.

I was über lazy at first, so took libs from SM.
But actually it's quite easy to compile, so let's update to latest version \o/.

tools/pcre/m4/pcre_visibility.m4

@@ -85,5 +85,5 @@ AC_DEFUN([PCRE_VISIBILITY],
   AC_SUBST([VISIBILITY_CXXFLAGS])
   AC_SUBST([HAVE_VISIBILITY])
   AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY],
-    [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.])
+    [Define to 1 if the compiler supports simple visibility declarations.])
 ])