[PATCH] bogus symbol used in arch/um/os-Linux/elf_aux.c

elf_aux is userland code; it uses symbol (ELF_CLASS) that doesn't exist in
userland headers; pulled into kernel-offsets.h, switched elf_aux to using it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/os-Linux/Makefile b/arch/um/os-Linux/Makefile
index d3c1560..7a16624 100644
--- a/arch/um/os-Linux/Makefile
+++ b/arch/um/os-Linux/Makefile
@@ -9,6 +9,9 @@
 USER_OBJS := aio.o elf_aux.o file.o process.o signal.o start_up.o time.o tt.o \
 	tty.o
 
+elf_aux.o: $(ARCH_DIR)/kernel-offsets.h
+CFLAGS_elf_aux.o += -I$(objtree)/arch/um
+
 CFLAGS_user_syms.o += -DSUBARCH_$(SUBARCH)
 
 HAVE_AIO_ABI := $(shell [ -r /usr/include/linux/aio_abi.h ] && \
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 4cca3e9..1399520 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -12,8 +12,9 @@
 #include "init.h"
 #include "elf_user.h"
 #include "mem_user.h"
+#include <kernel-offsets.h>
 
-#if ELF_CLASS == ELFCLASS32
+#if HOST_ELF_CLASS == ELFCLASS32
 typedef Elf32_auxv_t elf_auxv_t;
 #else
 typedef Elf64_auxv_t elf_auxv_t;