Forwardport checkin:
Fix a segfault when b"" was passed to b2a_qp() -- it was using strchr()
instead of memchr().
diff --git a/Modules/binascii.c b/Modules/binascii.c
index 91309f6..00f950d 100644
--- a/Modules/binascii.c
+++ b/Modules/binascii.c
@@ -1150,7 +1150,7 @@
/* XXX: this function has the side effect of converting all of
* the end of lines to be the same depending on this detection
* here */
- p = (unsigned char *) strchr((char *)data, '\n');
+ p = (unsigned char *) memchr(data, '\n', datalen);
if ((p != NULL) && (p > data) && (*(p-1) == '\r'))
crlf = 1;