diff --git a/[refs] b/[refs]
index 7c1ff1de7b49..d4c22dfb245b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2b775a27c0d9fdf8078d5b31e1e27411e5bf2a91
+refs/heads/master: 03994f01e8b72b3d01fd3d09d1cc7c9f421a727c
diff --git a/trunk/arch/x86/vdso/Makefile b/trunk/arch/x86/vdso/Makefile
index f385a4b4a484..b8bd0c4aa02e 100644
--- a/trunk/arch/x86/vdso/Makefile
+++ b/trunk/arch/x86/vdso/Makefile
@@ -48,7 +48,7 @@ obj-$(VDSO64-y)			+= vdso-syms.lds
 # Match symbols in the DSO that look like VDSO*; produce a file of constants.
 #
 sed-vdsosym := -e 's/^00*/0/' \
-	-e 's/^\([0-9a-fA-F]*\) . \(VDSO[a-zA-Z0-9_]*\)$$/\2 = 0x\1;/p'
+	-e 's/^\([[:xdigit:]]*\) . \(VDSO[[:alnum:]_]*\)$$/\2 = 0x\1;/p'
 quiet_cmd_vdsosym = VDSOSYM $@
       cmd_vdsosym = $(NM) $< | sed -n $(sed-vdsosym) | LC_ALL=C sort > $@