Add a shebang to the script

Without the shebang the init can't exec it.

diff --git a/cmds/input/input b/cmds/input/input
index 7f1a18e..54ab947 100755 (executable)
--- a/cmds/input/input
+++ b/cmds/input/input
@@ -1,3 +1,4 @@
+#!/system/bin/sh
 # Script to start "input" on the device, which has a very rudimentary
 # shell.
 #