cmd/dist: fix build

The Unix and Plan 9 readfile call breset(b) but Windows was not,
leaving dregs in the buffer.

TBR=golang-dev
CC=golang-dev
https://golang.org/cl/7229069

diff --git a/src/cmd/dist/windows.c b/src/cmd/dist/windows.c
index b23d8af475783f368d5e60a56434f90157ed8b74..385a60577fdccad05488df199565b919f7cb92fe 100644 (file)
--- a/src/cmd/dist/windows.c
+++ b/src/cmd/dist/windows.c
@@ -530,6 +530,7 @@ readfile(Buf *b, char *file)
        HANDLE h;
        Rune *r;
 
+       breset(b);
        if(vflag > 2)
                errprintf("read %s\n", file);
        torune(&r, file);