checkpatch always failed due to a missed/added spaces around `&`

[ligurio]

ERROR:SPACING: spaces needed around that '&' (ctx:WxV)
#131: FILE: test/fuzz/luaL_loadbuffer/serializer.cc:377:
+	const FuncBody::ParList &parlist = body.parlist();
 	                        ^

total: 1 errors, 142 lines checked
Commit e25a461bcfb5 ("test/fuzz: fix "cannot use '...' outside a vararg function"") has style problems, please review.

https://github.com/tarantool/tarantool/actions/runs/7291841413/job/19871591434?pr=9185

 -----------------------------------------------------------------------------------
ERROR:REFERENCE_LOCATION: "foo & bar" should be "foo &bar"
#131: FILE: test/fuzz/luaL_loadbuffer/serializer.cc:377:
+	const FuncBody::ParList & parlist = body.parlist();

total: 1 errors, 142 lines checked
Commit 5105fd530014 ("test/fuzz: fix "cannot use '...' outside a vararg function"") has style problems, please review.

https://github.com/tarantool/tarantool/actions/runs/7291887310/job/19871727810