[PATCH] git-powerpc: wrapper: don't require execute permissions

If you lose the x bit (eg: by using patch(1)), powerpc won't build.  Be
defensive about it...

Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/powerpc/boot/Makefile

@@ -113,7 +113,7 @@ endif
 endif
 
 quiet_cmd_wrap	= WRAP    $@
-      cmd_wrap	=$(wrapper) -c -o $@ -p $2 $(CROSSWRAP) vmlinux
+      cmd_wrap	=$(CONFIG_SHELL) $(wrapper) -c -o $@ -p $2 $(CROSSWRAP) vmlinux
 quiet_cmd_wrap_initrd = WRAP    $@
       cmd_wrap_initrd =$(wrapper) -c -o $@ -p $2 $(CROSSWRAP) \
 				-i $(obj)/ramdisk.image.gz vmlinux