iw: make all code files non-executable

Change-Id: I19eafb95c718cc1632530aef2670581e9e958808
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/event.c b/event.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/nan.c b/nan.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/sha256.c b/sha256.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/sha256.h b/sha256.h
old mode 100755 (executable)
new mode 100644 (file)