Bump version to 2.5.2

NEWS

+2.5.2 -
+
 2.5.1 - 2019/07/28
 
 - Bug #9: [CVE-2018-12648] Fix null-pointer-dereference in WEBP.

configure.ac

@@ -8,7 +8,7 @@ dnl that contains a configuration script generated by Autoconf, under
 dnl the same distribution terms as the rest of that program.
 
 AC_PREREQ(2.50)
-AC_INIT(exempi,2.5.1)
+AC_INIT(exempi,2.5.2)
 AM_INIT_AUTOMAKE([foreign dist-bzip2 subdir-objects])
 AM_MAINTAINER_MODE
 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
@@ -66,7 +66,8 @@ dnl 2.4.5 is the revision 7.4.5
 dnl 2.4.6 is the revision 7.4.6
 dnl 2.5.0 is the revision 8.0.0 -- Removed XMP SDK symbols.
 dnl 2.5.1 is the revision 8.0.1
-AC_SUBST([EXEMPI_REVISION], [0])
+dnl 2.5.2 is the revision 8.0.2
+AC_SUBST([EXEMPI_REVISION], [2])
 AC_SUBST([EXEMPI_AGE],      [0])
 AC_SUBST([EXEMPI_CURRENT],  [8])
 AC_SUBST([EXEMPI_CURRENT_MIN],