Add a compatibility symlink for the Google Chrome launcher script

chrome/installer/linux/common/installer.include

Index: chrome/installer/linux/common/installer.include
diff --git a/chrome/installer/linux/common/installer.include b/chrome/installer/linux/common/installer.include
index 616c3c4fc4f00196bb5a49dbe6d2be815900d6fa..2be82dba02148b161c888cef45ebab053005daef 100644
--- a/chrome/installer/linux/common/installer.include
+++ b/chrome/installer/linux/common/installer.include
@@ -222,6 +222,10 @@ stage_install_common() {
   process_template "${BUILDDIR}/installer/common/wrapper" \
     "${STAGEDIR}/${INSTALLDIR}/${PACKAGE}"
   chmod 755 "${STAGEDIR}/${INSTALLDIR}/${PACKAGE}"
+  if [ ! -f "${STAGEDIR}/${INSTALLDIR}/google-chrome" ]; then
+    ln -sn "${INSTALLDIR}/${PACKAGE}" \
+      "${STAGEDIR}/${INSTALLDIR}/google-chrome"
+  fi
   ln -snf "${INSTALLDIR}/${PACKAGE}" \
     "${STAGEDIR}/usr/bin/${USR_BIN_SYMLINK_NAME}"