Add pcre as a configure step dependency to fileinfo (php#15349)

The pcre is a required dependency in fileinfo extenstion. This marks it
as a configure step dependency for consistency with other extensions
and to have extensions properly sorted in the generated
internal_functions* files.

Author: petk

ext/fileinfo/config.m4

@@ -41,6 +41,7 @@ if test "$PHP_FILEINFO" != "no"; then
     [$ext_shared],,
     [-I@ext_srcdir@/libmagic])
   PHP_ADD_BUILD_DIR([$ext_builddir/libmagic])
+  PHP_ADD_EXTENSION_DEP(fileinfo, pcre)
 
   AC_CHECK_FUNCS([utimes strndup])
 

ext/fileinfo/config.w32

@@ -11,5 +11,6 @@ if (PHP_FILEINFO != 'no') {
 			strcasestr.c buffer.c is_csv.c";
 
 	EXTENSION('fileinfo', 'fileinfo.c php_libmagic.c', true, "/I" + configure_module_dirname + "/libmagic /I" + configure_module_dirname);
+	ADD_EXTENSION_DEP('fileinfo', 'pcre');
 	ADD_SOURCES(configure_module_dirname + '\\libmagic', LIBMAGIC_SOURCES, "fileinfo");
 }