all: remove executable bit from several files

Change-Id: Iab669b2a9dd0510c0e54f9ec1cbe2b83b991bceb
Reviewed-on: https://go-review.googlesource.com/14283
Reviewed-by: Minux Ma <minux@golang.org>

diff --git a/doc/progs/run.go b/doc/progs/run.go
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/cmd/dist/test.go b/src/cmd/dist/test.go
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/debug/dwarf/testdata/line-clang.elf b/src/debug/dwarf/testdata/line-clang.elf
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/debug/dwarf/testdata/line-gcc.elf b/src/debug/dwarf/testdata/line-gcc.elf
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/debug/elf/testdata/gcc-386-freebsd-exec b/src/debug/elf/testdata/gcc-386-freebsd-exec
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/debug/elf/testdata/gcc-amd64-linux-exec b/src/debug/elf/testdata/gcc-amd64-linux-exec
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/debug/macho/testdata/gcc-386-darwin-exec b/src/debug/macho/testdata/gcc-386-darwin-exec
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/debug/macho/testdata/gcc-amd64-darwin-exec b/src/debug/macho/testdata/gcc-amd64-darwin-exec
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/debug/plan9obj/testdata/386-plan9-exec b/src/debug/plan9obj/testdata/386-plan9-exec
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/debug/plan9obj/testdata/amd64-plan9-exec b/src/debug/plan9obj/testdata/amd64-plan9-exec
old mode 100755 (executable)
new mode 100644 (file)