Merge branch 'nd/test-helpers'

Switching between 'master' and 'next', between which the paths to
test helper binaries have changed, did not update bin-wrappers/*
scripts used in tests, causing false test failures.

* nd/test-helpers:
  wrap-for-bin.sh: regenerate bin-wrappers when switching branches

wrap-for-bin.sh

@@ -17,6 +17,7 @@ fi
 GITPERLLIB='@@BUILD_DIR@@/perl/blib/lib'"${GITPERLLIB:+:$GITPERLLIB}"
 GIT_TEXTDOMAINDIR='@@BUILD_DIR@@/po/build/locale'
 PATH='@@BUILD_DIR@@/bin-wrappers:'"$PATH"
+
 export GIT_EXEC_PATH GITPERLLIB PATH GIT_TEXTDOMAINDIR
 
 if test -n "$GIT_TEST_GDB"