Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
  Add char* cast to avoid compiler warnings

Author: cmb69

ext/imap/php_imap.c

@@ -3955,7 +3955,7 @@ PHP_FUNCTION(imap_mail_compose)
 			efree(mystring);
 			mystring=tempstring;
 	} else if (bod) {
-		spprintf(&tempstring, 0, "%s%s%s", mystring, bod->contents.text.data ? bod->contents.text.data : "", CRLF);
+		spprintf(&tempstring, 0, "%s%s%s", mystring, bod->contents.text.data ? (char *) bod->contents.text.data : "", CRLF);
 		efree(mystring);
 		mystring=tempstring;
 	} else {