MFB: Fix for possible uninitialized usage of subject_r.

diff --git a/ext/standard/mail.c b/ext/standard/mail.c
index 1cf678facff08270f1af4b6edaa65b4ddb7eac4b..281e9a57db5498614b3cde2d1909cc4eb1bf8d7c 100644 (file)
--- a/ext/standard/mail.c
+++ b/ext/standard/mail.c
@@ -141,6 +141,8 @@ PHP_FUNCTION(mail)
                                subject_r[i] = ' ';
                        }
                }
+       } else {
+               subject_r = subject;
        }
 
        if (force_extra_parameters) {