Merge branch 'PHP-7.4'

* PHP-7.4:
  mysqlnd: Remove unnecessary check for HAVE_ZLIB

Author: nikic

ext/mysqlnd/mysqlnd.h

@@ -46,7 +46,7 @@
 #define MYSQLND_DBG_ENABLED 0
 #endif
 
-#if defined(MYSQLND_COMPRESSION_WANTED) && defined(HAVE_ZLIB)
+#if defined(MYSQLND_COMPRESSION_WANTED)
 #define MYSQLND_COMPRESSION_ENABLED 1
 #endif