Update the Linux Valgrind binaries to valgrind-variant r112.

TBR=timurrrr
Review URL: http://codereview.chromium.org/8390048

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/valgrind/scripts@107340 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/build-memcheck-for-chromium.sh b/build-memcheck-for-chromium.sh
index 8fd3b0e..95195be 100755
--- a/build-memcheck-for-chromium.sh
+++ b/build-memcheck-for-chromium.sh
@@ -8,9 +8,8 @@
 export THISDIR=`dirname $0`
 source $THISDIR/common.sh
 
-# SVN isn't smart enough to figure out what rev of VEX to get,
-# so you have to check that out by revision.
-MEMCHECK_VV_REV=106
+# Use a fixed version of valgrind-variant.
+MEMCHECK_VV_REV=112
 
 VG_MEMCHECK_DIR="$VG_SRC_DIR/valgrind-memcheck"
 checkout_and_patch_valgrind_variant "$MEMCHECK_VV_REV" "$VG_MEMCHECK_DIR"