build: Target luacheck HEAD.

https://github.com/mpeterv/luacheck/pull/81#issuecomment-261099606

> If you really want to use bleeding-edge version you should get the
> rockspec from master branch, not a fixed commit ...
> The correct way to install from a specific commit is cloning that
> commit and running "luarocks make" from project directory. The reason
> is that running "install" or "build" on an scm rockspec fetches
> sources from master but uses build description from the rockspec
> itself, which may be outdated.

1 files changed, 7 insertions, 7 deletions

diff --git a/test/functional/shada/errors_spec.lua b/test/functional/shada/errors_spec.lua
index 19f35571d7..2b6b26b433 100644
--- a/test/functional/shada/errors_spec.lua
+++ b/test/functional/shada/errors_spec.lua
@@ -17,9 +17,9 @@ describe('ShaDa error handling', function()
     clean()
   end)
 
-  -- Note: most of tests have additional items like sX, mX, rX. These are for 
-  -- valgrind tests, to check for memory leaks (i.e. whether error handling code 
-  -- does (not) forget to call ga_clear). Not needed for array-based items like 
+  -- Note: most of tests have additional items like sX, mX, rX. These are for
+  -- valgrind tests, to check for memory leaks (i.e. whether error handling code
+  -- does (not) forget to call ga_clear). Not needed for array-based items like
   -- history because they are not using ad_ga.
 
   it('does not fail on empty file', function()
@@ -69,15 +69,15 @@ describe('ShaDa error handling', function()
   end)
 
   it('fails on search pattern item with invalid byte', function()
-    -- 195 (== 0xC1) cannot start any valid messagepack entry (the only byte 
+    -- 195 (== 0xC1) cannot start any valid messagepack entry (the only byte
     -- that cannot do this). Specifically unpack_template.h contains
     --
     --     //case 0xc1:  // string
     --     //  again_terminal_trail(NEXT_CS(p), p+1);
     --
-    -- (literally: commented out code) which means that in place of this code 
-    -- `goto _failed` is used from default: case. I do not know any other way to 
-    -- get MSGPACK_UNPACK_PARSE_ERROR and not MSGPACK_UNPACK_CONTINUE or 
+    -- (literally: commented out code) which means that in place of this code
+    -- `goto _failed` is used from default: case. I do not know any other way to
+    -- get MSGPACK_UNPACK_PARSE_ERROR and not MSGPACK_UNPACK_CONTINUE or
     -- MSGPACK_UNPACK_EXTRA_BYTES.
     wshada('\002\000\001\193')
     eq('Vim(rshada):E576: Failed to parse ShaDa file due to a msgpack parser error at position 3', exc_exec(sdrcmd()))