goPredefinedIdentifiers should link to goBoolean by default

Author: nhooyr

syntax/go.vim

@@ -127,12 +127,12 @@ hi def link     goComplexes         Type
 " Predefined functions and values
 syn match       goBuiltins                 /\<\v(append|cap|close|complex|copy|delete|imag|len)\ze\(/
 syn match       goBuiltins                 /\<\v(make|new|panic|print|println|real|recover)\ze\(/
-syn keyword     goPredefinedIdentifiers    nil iota
 syn keyword     goBoolean                  true false
+syn keyword     goPredefinedIdentifiers    nil iota
 
 hi def link     goBuiltins                 Keyword
-hi def link     goPredefinedIdentifiers    Identifier
 hi def link     goBoolean                  Boolean
+hi def link     goPredefinedIdentifiers    goBoolean
 
 " Comments; their contents
 syn keyword     goTodo              contained TODO FIXME XXX BUG