Merge branch 'js/unzip-in-usr-bin-workaround'

Test tweak for FreeBSD where /usr/bin/unzip is unsuitable to run
our tests but /usr/local/bin/unzip is usable.

* js/unzip-in-usr-bin-workaround:
  test-lib: on FreeBSD, look for unzip(1) in /usr/local/bin/

t/test-lib.sh

@@ -966,7 +966,8 @@ yes () {
 }
 
 # Fix some commands on Windows
-case $(uname -s) in
+uname_s=$(uname -s)
+case $uname_s in
 *MINGW*)
 	# Windows has its own (incompatible) sort and find
 	sort () {
@@ -1141,6 +1142,7 @@ test_lazy_prereq SANITY '
 	return $status
 '
 
+test FreeBSD != $uname_s || GIT_UNZIP=${GIT_UNZIP:-/usr/local/bin/unzip}
 GIT_UNZIP=${GIT_UNZIP:-unzip}
 test_lazy_prereq UNZIP '
 	"$GIT_UNZIP" -v