make compressed .swf parsing possible,
link core php with -lz for getimagesize()
see also http://bugs.php.net/bug.php?id=29611

upstream: https://github.com/php/php-src/pull/4681

--- php-8.2.0RC2/ext/standard/image.c~	2022-09-14 12:42:49.000000000 +0300
+++ php-8.2.0RC2/ext/standard/image.c	2022-09-29 01:20:02.719689289 +0300
@@ -28,7 +28,7 @@
 #endif
 #include "php_image.h"
 
-#if defined(HAVE_ZLIB) && !defined(COMPILE_DL_ZLIB)
+#if defined(HAVE_ZLIB)
 #include "zlib.h"
 #endif
 
@@ -156,7 +156,7 @@
 }
 /* }}} */
 
-#if defined(HAVE_ZLIB) && !defined(COMPILE_DL_ZLIB)
+#if defined(HAVE_ZLIB)
 /* {{{ php_handle_swc */
 static struct gfxinfo *php_handle_swc(php_stream * stream)
 {
@@ -1454,7 +1454,7 @@
 			result = php_handle_swf(stream);
 			break;
 		case IMAGE_FILETYPE_SWC:
-#if defined(HAVE_ZLIB) && !defined(COMPILE_DL_ZLIB)
+#if defined(HAVE_ZLIB)
 			result = php_handle_swc(stream);
 #else
 			php_error_docref(NULL, E_NOTICE, "The image is a compressed SWF file, but you do not have a static version of the zlib extension enabled");