Update versions for PHP 7.4.15

Author: derickr

configure.ac

@@ -17,7 +17,7 @@ dnl Basic autoconf initialization, generation of config.nice.
 dnl ----------------------------------------------------------------------------
 
 AC_PREREQ([2.68])
-AC_INIT([PHP],[7.4.15RC1],[https://bugs.php.net],[php],[https://www.php.net])
+AC_INIT([PHP],[7.4.15],[https://bugs.php.net],[php],[https://www.php.net])
 AC_CONFIG_SRCDIR([main/php_version.h])
 AC_CONFIG_AUX_DIR([build])
 AC_PRESERVE_HELP_ORDER

main/php_version.h

@@ -2,7 +2,7 @@
 /* edit configure.ac to change version number */
 #define PHP_MAJOR_VERSION 7
 #define PHP_MINOR_VERSION 4
-#define PHP_RELEASE_VERSION 13
-#define PHP_EXTRA_VERSION "-dev"
-#define PHP_VERSION "7.4.13-dev"
-#define PHP_VERSION_ID 70413
+#define PHP_RELEASE_VERSION 15
+#define PHP_EXTRA_VERSION ""
+#define PHP_VERSION "7.4.15"
+#define PHP_VERSION_ID 70415