Improve guard so it works for no eof new line

after/syntax/objc.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'objc') == -1
+
 " ARC type modifiers
 syn keyword objcTypeModifier __bridge __bridge_retained __bridge_transfer __autoreleasing __strong __weak __unsafe_unretained
 
@@ -18,4 +19,5 @@ syn match objcDirective "@property\|@synthesize\|@dynamic\|@package"
 
 " Highlight property attributes as if they were type modifiers
 hi def link objcPropertyAttribute objcTypeModifier
+
 endif