(readline): Fix updating of p when buffer grows.

diff --git a/lib-src/fakemail.c b/lib-src/fakemail.c
index 1e5bf53ed4730933827fedd7def82f6850111496..c3929e0237d8fe5ec910e59e3c71eeaa9e4917fb 100644 (file)
--- a/lib-src/fakemail.c
+++ b/lib-src/fakemail.c
@@ -216,7 +216,7 @@ readline (linebuffer, stream)
        {
          linebuffer->size *= 2;
          buffer = ((char *) xrealloc (buffer, linebuffer->size));
-         p += buffer - linebuffer->buffer;
+         p = buffer + (p - linebuffer->buffer);
          end = buffer + linebuffer->size;
          linebuffer->buffer = buffer;
        }