fixup! build: don't pass python override to V8 build

tools/make-v8.sh

@@ -8,9 +8,9 @@ V8_BUILD_OPTIONS=$2
 # Python 3 may have been symlinked as `python` in an override directory by
 # configure.py and added to PATH. Strip this out of PATH to avoid interfering
 # with V8's build toolchain.
-OVERRIDE_BIN_DIR="$(cd out/tools/bin 2>/dev/null && pwd || true)"
+OVERRIDE_BIN_DIR="$(cd out/tools/bin 2>/dev/null && pwd)"
 if [ -n "$OVERRIDE_BIN_DIR" ]; then
-  PATH=`echo $PATH | tr ":" "\n" | grep -v "^$OVERRIDE_BIN_DIR$" | tr "\n" ":"`
+  PATH=`echo "$PATH" | tr ":" "\n" | grep -v "^$OVERRIDE_BIN_DIR$" | tr "\n" ":"`
 fi
 
 cd deps/v8 || exit