all: remove exec bit on files

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7128048

diff --git a/src/cmd/gofmt/testdata/crlf.input b/src/cmd/gofmt/testdata/crlf.input
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/pkg/mime/multipart/testdata/nested-mime b/src/pkg/mime/multipart/testdata/nested-mime
old mode 100755 (executable)
new mode 100644 (file)